Allow using a different element to open and bind the datepicker to
Don't try to focus if the target field is hidden
Merge remote-tracking branch 'trigger/trigger'

* trigger/trigger:
  Don't try to focus if the target field is hidden
  Allow using a different element to open and bind the datepicker to

Conflicts:
	index.html
	pikaday.js
	plugins/pikaday.jquery.js