Merged w/ upstream
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Added untested ScheduleDatabase class
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into schedule-feature
Added "days" as database field.
Added message for popup in strings xml.
Created Schedule menu
Checks if no classes added and displays pop up.
Merge remote-tracking branch 'upstream/master' into schedule-feature

Conflicts:
	res/values/strings.xml
Merge pull request #49 from rramsaro/schedule-feature

Added Class to Create Database