Control, Widget and DateTime done. These are the last ones. For DateTime
JUnit 4.x Parametrized test was used to actually run the tests with
SWT.DATE, SWT.TIME and SWT.CALENDAR.

Change-Id: Id0517f15ecaf9c3addddab643b0981f358384b59
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>