Updated component name prefix

Updated all classes to align with new names as per other updated
components.

Fixes issue Issue #2.

Also removed the <p> Tags wrapping {{{body}}} as per previous
discussions to remove this.
Merge branch 'master' of https://github.com/zenduo/adapt-contrib-graphic into zenduo-master

* 'master' of https://github.com/zenduo/adapt-contrib-graphic:
  Updated component name prefix

Conflicts:
	js/adapt-contrib-graphic.js
	templates/graphic.hbs