Clean up actions.

@bug W-1966478@

@rev eric.anderson@

@P4CL: 8441019@
Merging origin/goliver/master-pending-action-cleanup into master
[maven-release-plugin] prepare release aura-framework-0.524
[maven-release-plugin] prepare for next development iteration
Fixing datetime test to verify input is displayed.
@bug W-1955953@
@rev ronak.shah@later
Merging origin/ctatlah/master-pending-dateTimeTestFix into master
[maven-release-plugin] prepare release aura-framework-0.525
[maven-release-plugin] prepare for next development iteration
Added accessibility label to ampm select in timePicker
Merging origin/jye/master-pending-timepicker-accessibility into master
Merge remote-tracking branch 'upstream/master'