Fixed a bug which allowed users to have own votes on posts they own
Prevent users from favoriting themselves
Use early return in qa_user_favorite_set

Also improve comment
Merge branch 'pr/107' into dev
Shorten function name to qa_db_uservote_remove_own

And some minor formatting
Merge branch 'pr/101' into dev
SnowFlat: expand "I wrote this" button
Database upgrade to remove self-votes and self-favorites
Fix missing favorites pagination when using table ranking layout