[Core] Returned "Real account" event support
[Core] Returned notification support to Contact list
[BirthdayReminder] Fixed "February, 29" issue
[BirthdayReminder] Fixed loosing of information
[OSCAR] Removed password lenght restriction
[IRC] Fixed signal-slot connection in IrcChannel
[Core] Added additional guards to Contact list
Merge pull request #187 from gorthauer/master

Some polishing
[Core] Fixed tags hiding
[Core] Added manual sorting of tags and accounts
[Core] Fixed manual sorting
Merge pull request #188 from gorthauer/master

Qt5 preparing
[Core] Removed useless debug