mobile years selectbox fix

closing #152, using track by in ng-repeat to remove console error

fix for tabkey out of input, thanks to @tomecko

default dates when using future or past dates in limits

bug fixing

Fixing bug on prevMOnth and nextMonth selectable dates control

datepicker-class new attribute

datepicker-toggle, datepicker-append-to new options, try them it's beta

mobile bugfix

date-disabled-dates attr bugfixing