Got started with teachers widget
Merge remote-tracking branch 'regalis/dev' into dev
Fix some things and slots table view
Added Teachers files to .pro file
Groups.cpp and Groups.hpp almost ready, added Groups to .pro file
Merge pull request #16 from ktalik/dev

Add basic version of timetable generation
Document files, classes and methods
Merge branch 'dev' of git://github.com/Regalis/Lesson-Plan-Scheduler into dev

Conflicts:
	src/lesson-plan-scheduler.pro
Add Teachers and Groups to MainMenu
Clean compilation warnings

Add -Wno-unused-parameter -Wno-sign-compare flags to Makefile
Documentation added to .hpp filesw
Merge branch 'dev' of https://github.com/ArianaLas/Lesson-Plan-Scheduler into dev
Merge pull request #17 from Regalis/dev

Add GUI classes, update .pro file (clean compilation warnings). Close #6
Minor fix