diff --git a/data/contenttypes.json b/data/contenttypes.json
new file mode 100644
index 00000000..954fd4b8
--- /dev/null
+++ b/data/contenttypes.json
@@ -0,0 +1,530 @@
+[
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "treenode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 1
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "problem"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 2
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "rocniknode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 3
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "cislonode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 4
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "mezicislonode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 5
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "temavcislenode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 6
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "orgtextnode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 7
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "ulohazadaninode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 8
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "ulohavzoraknode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 9
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "pohadkanode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 10
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "textnode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 11
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "castnode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 12
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "reseninode"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 13
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "tema"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 14
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "clanek"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 15
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "uloha"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 16
+	},
+	{
+		"fields": {
+			"app_label": "auth",
+			"model": "user"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 17
+	},
+	{
+		"fields": {
+			"app_label": "contenttypes",
+			"model": "contenttype"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 18
+	},
+	{
+		"fields": {
+			"app_label": "sessions",
+			"model": "session"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 19
+	},
+	{
+		"fields": {
+			"app_label": "sites",
+			"model": "site"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 20
+	},
+	{
+		"fields": {
+			"app_label": "auth",
+			"model": "permission"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 21
+	},
+	{
+		"fields": {
+			"app_label": "auth",
+			"model": "group"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 22
+	},
+	{
+		"fields": {
+			"app_label": "reversion",
+			"model": "revision"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 23
+	},
+	{
+		"fields": {
+			"app_label": "reversion",
+			"model": "version"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 24
+	},
+	{
+		"fields": {
+			"app_label": "taggit",
+			"model": "tag"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 25
+	},
+	{
+		"fields": {
+			"app_label": "taggit",
+			"model": "taggeditem"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 26
+	},
+	{
+		"fields": {
+			"app_label": "fluent_comments",
+			"model": "fluentcomment"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 27
+	},
+	{
+		"fields": {
+			"app_label": "threadedcomments",
+			"model": "threadedcomment"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 28
+	},
+	{
+		"fields": {
+			"app_label": "django_comments",
+			"model": "comment"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 29
+	},
+	{
+		"fields": {
+			"app_label": "django_comments",
+			"model": "commentflag"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 30
+	},
+	{
+		"fields": {
+			"app_label": "flatpages",
+			"model": "flatpage"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 31
+	},
+	{
+		"fields": {
+			"app_label": "sitetree",
+			"model": "tree"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 32
+	},
+	{
+		"fields": {
+			"app_label": "sitetree",
+			"model": "treeitem"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 33
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "cislo"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 34
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "resitel"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 35
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "rocnik"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 36
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "skola"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 37
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "soustredeni"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 38
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "reseni"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 39
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "prilohareseni"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 40
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "nastaveni"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 41
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "soustredeni_ucastnici"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 42
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "novinky"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 43
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "organizator"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 44
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "soustredeni_organizatori"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 45
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "konfera"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 46
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "osoba"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 47
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "prijemce"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 48
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "text"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 49
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "pohadka"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 50
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "reseni_resitele"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 51
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "obrazek"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 52
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "hodnoceni"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 53
+	},
+	{
+		"fields": {
+			"app_label": "seminar",
+			"model": "konfery_ucastnici"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 54
+	},
+	{
+		"fields": {
+			"app_label": "galerie",
+			"model": "galerie"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 55
+	},
+	{
+		"fields": {
+			"app_label": "galerie",
+			"model": "obrazek"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 56
+	},
+	{
+		"fields": {
+			"app_label": "korektury",
+			"model": "korekturovanepdf"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 57
+	},
+	{
+		"fields": {
+			"app_label": "korektury",
+			"model": "oprava"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 58
+	},
+	{
+		"fields": {
+			"app_label": "korektury",
+			"model": "komentar"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 59
+	},
+	{
+		"fields": {
+			"app_label": "prednasky",
+			"model": "hlasovani"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 60
+	},
+	{
+		"fields": {
+			"app_label": "prednasky",
+			"model": "prednaska"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 61
+	},
+	{
+		"fields": {
+			"app_label": "prednasky",
+			"model": "seznam"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 62
+	},
+	{
+		"fields": {
+			"app_label": "header_fotky",
+			"model": "fotkaheader"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 63
+	},
+	{
+		"fields": {
+			"app_label": "header_fotky",
+			"model": "fotkaurlvazba"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 64
+	},
+	{
+		"fields": {
+			"app_label": "admin",
+			"model": "logentry"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 65
+	},
+	{
+		"fields": {
+			"app_label": "authtoken",
+			"model": "token"
+		},
+		"model": "contenttypes.contenttype",
+		"pk": 66
+	}
+]
\ No newline at end of file