Shubham added Database helper class files
added DatabaseController interface
Merge branch 'master' of https://github.com/MC-Timetracker/timetracker into testingapp
Merge branch 'testingapp' of https://github.com/MC-Timetracker/timetracker
Updated UI
Merge branch 'timetrackerUI' of https://github.com/MC-Timetracker/timetracker into testingapp
time recorder