add a method to select a date & corresponding tests
code style adjusted according to comments from JakeWharton in pullRequest #20
use the auto-formatter provided by square as result of issue #20
fixed documentation and spelling nits reported by edenman
Fix broken tests
Merge pull request #24 from square/edenman/fix-broken-test

Fix broken tests
Merge pull request #21 from ligi/selectDate

Select date
Fix breakage introduced by #21
Merge pull request #25 from square/edenman/fix-set-selected

Fix breakage introduced by #21
Fix #27: RTL support
Merge pull request #28 from square/edenman/fix-rtl-support

Fix #27: RTL support
Set selected shouldn't choose unselectable cell
Merge pull request #30 from square/edenman/set-selected-fix

Set selected shouldn't choose unselectable cell
merged fix-broken-test
merged fix-set-selected
Merge remote-tracking branch 'upstream/master'