ADDED: Configuration - Local development database settings.
CHANGED: View - Replaced registration link on home page by login link.
CHANGED: View - Added registration link to login page.
ADDED: Tournament - Game rules revisions.
CHANGED: Hearthstone - Picking a class more than once is now forbidden.
ADDED: CMS - Selecting game rules for new and existing tournaments.
ADDED: View - Tooltips for Hearthstone class icons.
ADDED: Footer - Source code, privacy policy and impressum.
Merge branch 'develop'