Use jQuery boilerplate plugin structure
Remove unused code
minTermLength option can be set to 0
Compile CoffeeScript file to JS and minified JS
Change deprecated code comment
Fix regression when a callback function is provided
Fix cancelled requests regression
Merge branch 'bugfix/chosen-1.x-compatibiliy' into feature/jquery-plugin-structure

Conflicts:
	lib/ajax-chosen.js
	lib/ajax-chosen.min.js
	src/ajax-chosen.coffee