Fix #508

- updated inputID to include multiselectID in order to be unique
  across all select with the same name
bower.json added
[bower] main file path fixed
Fix popup over issue if height is set to auto
Merge remote-tracking branch 'remotes/TerryMooreII/master'
Merge remote-tracking branch 'remotes/pawel-piskorz/master'
updated NPM packages (JSCS, etc.) and run GRUNT
Added option for setting custom menu width

Custom menu width can be used in case of lack of space for select, and long text in options.
Usage: $('select').multiselect({ minWidth: 100, menuWidth:250 });
Merge remote-tracking branch 'remotes/DarkAvanger/master'

Conflicts:
	src/jquery.multiselect.js
Merge remote-tracking branch 'remotes/seferov/master' + tweaked bower config

Conflicts:
	bower.json