Fixes to mass-tag
Changed .ini a bit
Changed feature image style
Closed #58
Closed #59
Foreign key fix
Removed need for strict typing
Dependancy extensions safety checks
Preparation for #62
Refactoring of error/success messages
Further work on #62

Added ability to resend activation mail
Closed #62
Fixes to bugs introduced in 76a60ed
Added logging engine for #61
Added [P] hotkey for selecting first post on page
Changes to infobar in post thumbnails
Post view actions don't reload the page anymore
Low-level refactor to core.php
Fixed sending empty comments
Fixes to Markdown

- aa_bb cc_dd doesn't produce italics anymore
- asd@5.com doesn't produce link to post 5
- asd.com#anchor doesn't produce link to tag "anchor"