diff --git a/TODO b/TODO
deleted file mode 100644
index 33c3bed..0000000
--- a/TODO
+++ /dev/null
@@ -1,105 +0,0 @@
-* book borrowing, lending and returning
-* event creation
-* songs
-* news editor for administrators
-* PDF header fix
-* draft flag for Document and Article: only writer and administrators see it
-    from the Document/Article list, in preview mode
-* full Document/Article list for administrators
-* polls
-* chat
-* Users' favourite forum topics
-* article categories
-* blog
-* site-based theme for ckeditor (both ui and the editor)
-
-Song
-    id
-    title
-    createdBy
-    createdAt
-    SongVersion[]
-        id
-        createdBy
-        createdAt
-        content
-
-News
-    lead
-
-Poll
-    id
-    createdAt
-    createdBy
-    updatedAt
-    updatedBy
-    updateReason
-    endTime (timestamp/date?)
-    anyoneCanAddAnswers
-    question
-    multiselect
-    voters
-    PollAnswer[]
-        id
-        createdAt
-        createdBy
-        updatedAt
-        updatedBy
-        updateReason
-        voters
-        text
-
-UserForumViewed
-    User
-    ForumTopic
-    timestamp of last visit
-
-BlogPost
-    id
-    title
-    slug
-    timestamp
-    lead (?)
-    text
-    poster
-    public
-
-ForumTopicGroup
-    visible
-    locked
-
-ForumTopic
-    roles who can access it
-    visible
-    locked
-
-ForumPost
-    last edited by
-    last edited timestamp
-    last edit reason
-    edit count
-
-Event
-    last edited by
-    last edited timestamp
-    last edit reason
-    location
-    commentable
-
-PrivateChatMessage
-    id
-    from user
-    to user
-    timestamp
-
-GroupChatMessage
-    id
-    from user
-    to group
-    timestamp
-
-PublicChatMessage
-    id
-    from user
-    to channel (ChatChannel class with id and name fields)
-    timestamp
diff --git a/src/KekRozsak/FrontBundle/Entity/BlogPost.php b/src/KekRozsak/FrontBundle/Entity/BlogPost.php
new file mode 100644
index 0000000..ac6b7df
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/BlogPost.php
@@ -0,0 +1,15 @@
+<?php
+/*
+ * id
+ * title
+ * slug
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAt
+ * updateReason
+ * lead(?)
+ * content
+ * public
+ * Group (can be NULL)
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/Comment.php b/src/KekRozsak/FrontBundle/Entity/Comment.php
new file mode 100644
index 0000000..d42c413
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/Comment.php
@@ -0,0 +1,13 @@
+<?php
+/*
+ * Required for the commentable interface
+ *
+ * id
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAt
+ * updateReason
+ * title (nullable)
+ * content
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/GroupChatMessage.php b/src/KekRozsak/FrontBundle/Entity/GroupChatMessage.php
new file mode 100644
index 0000000..66bb5f2
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/GroupChatMessage.php
@@ -0,0 +1,8 @@
+<?php
+/*
+ * id
+ * from
+ * group
+ * timestamp
+ * content
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/Poll.php b/src/KekRozsak/FrontBundle/Entity/Poll.php
new file mode 100644
index 0000000..525531a
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/Poll.php
@@ -0,0 +1,15 @@
+<?php
+/*
+ * id
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAt
+ * updateReason
+ * endTime (date/datetime?)
+ * anyoneCanAddAnswers
+ * question
+ * multiselect
+ * voters(?)
+ * answers
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/PollAnswer.php b/src/KekRozsak/FrontBundle/Entity/PollAnswer.php
new file mode 100644
index 0000000..301499d
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/PollAnswer.php
@@ -0,0 +1,11 @@
+<?php
+/*
+ * id
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAt
+ * updateReason
+ * voters
+ * text
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/PrivateChatMessage.php b/src/KekRozsak/FrontBundle/Entity/PrivateChatMessage.php
new file mode 100644
index 0000000..d25b344
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/PrivateChatMessage.php
@@ -0,0 +1,8 @@
+<?php
+/*
+ * id
+ * from
+ * to
+ * timestamp
+ * content
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/PublicChatChannel.php b/src/KekRozsak/FrontBundle/Entity/PublicChatChannel.php
new file mode 100644
index 0000000..ba55774
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/PublicChatChannel.php
@@ -0,0 +1,5 @@
+<?php
+/*
+ * id
+ * name
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/PublicChatMessage.php b/src/KekRozsak/FrontBundle/Entity/PublicChatMessage.php
new file mode 100644
index 0000000..16b3f64
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/PublicChatMessage.php
@@ -0,0 +1,8 @@
+<?php
+/*
+ * id
+ * from
+ * channel
+ * timestamp
+ * content
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/Song.php b/src/KekRozsak/FrontBundle/Entity/Song.php
new file mode 100644
index 0000000..3982775
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/Song.php
@@ -0,0 +1,12 @@
+<?php
+/*
+ * id
+ * title
+ * slug
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAtt
+ * updateReason
+ * versions
+ */
diff --git a/src/KekRozsak/FrontBundle/Entity/SongVersion.php b/src/KekRozsak/FrontBundle/Entity/SongVersion.php
new file mode 100644
index 0000000..d583149
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/SongVersion.php
@@ -0,0 +1,9 @@
+<?php
+/*
+ * id
+ * createdBy
+ * createdAt
+ * updatedBy
+ * updatedAt
+ * updateReason
+ * content
diff --git a/src/KekRozsak/FrontBundle/Entity/UserForumTopicView.php b/src/KekRozsak/FrontBundle/Entity/UserForumTopicView.php
new file mode 100644
index 0000000..974885a
--- /dev/null
+++ b/src/KekRozsak/FrontBundle/Entity/UserForumTopicView.php
@@ -0,0 +1,6 @@
+<?php
+/*
+ * User
+ * ForumTopic
+ * lastVisitedAt
+ */