Less / Template tweaks

Updated LESS to use "Item" variables
Included the new icon style (however we need radio buttons adding to the
vanilla theme).
Updated button names and removed conditionals
Basic read me updated
Removed .bower.json file
Fixed MCQ largely by bringing up to speed with QuestionView
Merge pull request #7 from zenduo/develop

Less / Template tweaks
Merge branch 'develop' into issue/9

* develop:
  Removed .bower.json file
  Basic read me updated
  Updated button names and removed conditionals
  Less / Template tweaks

Conflicts:
	less/mcq.less
	templates/mcq.hbs
Fixed merge issues (please see updated usage in example.json)
Amended so that only selected options are marked with tick/cross

This applies when showing both model and user answers.
Bug fix for multiple selection
Moved icons to left
Merge pull request #10 from adaptlearning/issue/9

Fixed MCQ largely by bringing up to speed with QuestionView
Merge branch 'master' of https://github.com/adaptlearning/adapt-contrib-mcq into develop

* 'master' of https://github.com/adaptlearning/adapt-contrib-mcq:
Merge pull request #11 from adaptlearning/develop

Develop