Added database table models (tasks, subtasks and timetable), created activities for testing only
Merge branch 'master' of github.com:cedric-clain/panacea

Conflicts:
	panacea/src/main/java/com/fatalerror/android/panacea/MainActivity.java
	panacea/src/main/res/layout/activity_main.xml
	panacea/src/main/res/layout/fragment_tasks_details.xml
	panacea/src/main/res/layout/fragment_tasks_list.xml
Fixed conflicts