added calender app
modified.
added calendar project.
modified files.
added popOverView.
show dialog
modified to renew tableViewCell from Switch.
Merge branch 'tanaka_1' into taketa
modified rotate.
added textfiled
added core data.
display entered text
Merge branch 'tanaka_1' into taketa

Conflicts:
	calendar/calendar/CalenderViewController.m
modified saved to core data.
added title.
added shake gesture and modified cell layout.
deleted images.
added comment and modified format.
modified calendar.
delete method.