Added setMinutesInterval for Time Picker Dialog to set the minimum selectable increment for minutes.
Merge branch 'feature/add_minute_intervals'
Added setDateRange to limit the number of months shown on the DateTimePicker.
Implemented month limit.
Fixed selected day not updating after year change
Disabled days outside of setDateRange.
Removed limit on min year must be greater than max year.
Added example for setting date range in sample.
Merge branch 'feature/add_date_range'
Merge commit from raymondlam:master 'bfed03cf41540be14348eff514941c54b69e713f'

* commit 'bfed03cf41540be14348eff514941c54b69e713f':
  Added example for setting date range in sample.
  Disabled days outside of setDateRange. Removed limit on min year must be greater than max year.
  Fixed selected day not updating after year change
  Added setDateRange to limit the number of months shown on the DateTimePicker. Implemented month limit.
  Added setMinutesInterval for Time Picker Dialog to set the minimum selectable increment for minutes.

Conflicts Resolved:
	datetimepicker-library/src/com/fourmob/datetimepicker/date/DatePickerDialog.java
	datetimepicker-library/src/com/fourmob/datetimepicker/date/DayPickerView.java
	datetimepicker-library/src/com/fourmob/datetimepicker/date/SimpleMonthAdapter.java
	datetimepicker-library/src/com/fourmob/datetimepicker/date/SimpleMonthView.java
	datetimepicker-library/src/com/sleepbot/datetimepicker/time/TimePickerDialog.java
	datetimepicker-sample/src/com/fourmob/datetimepicker/sample/MainActivity.java