ModernBB 2.0.1

This is very first maintenance release for the ModernBB 2.0-branch. This fixes multiple issues, most of them are bugs in the interface of ModernBB, others improves new parts of ModernBB, it's recommended to update.

#188 - Fix "Board statistics" panel
#189 - Remove old "About" information
#190 - Make "About" update compatible
#191 - Fix profile
#196 - Announcement is completely out of place
#197 - Fix user profile settings interface
#207 - When installation has been finished, no interface appears
#212 - Fix search results