update to v3

merging changes from staging branch

Version 2.1.30

Important! build.less file name has been been changed to
bootstrap-datetimepicker-build.less to prevent collisions

Fix for #135: setStartDate and setEndDate should now properly set.
Fix for #133: Typed in date now respects en/disabled dates
Fix for #132: En/disable picker function works again
Fix for #117, #119, #128, #121: double event change event issues should
be fixed
Fix for #112: change function no longer sets the input to a blank value
if the passed in date is invalid

Enhancement for #103: Increated the z-index of the widget

version bump

fix #63

Fixes for #28, #42, #44, #45, #46, #47, #49

error.dp event and minor fixes

fixes for #39, #40, #41

Update README.md

Updated compiled files

Release 0.0.10

Adds option to hide the seconds selector. fixes #22