RD|BS: Allow the accordion to accept basic html tags in the title

- Should accept b, strong, i, em tags
- A script will be rejected upon toggling, it's up to the developer to reject this in their server side code though
- no img tags allowed
RD|BS: Allow the accordion to display images

If the accordion content contains an image, take this into consideration when calculating the overall content's height
bump version for a RC
BS|RD: Tweak for mobile accordion to prevent text clashing with arrow on right
Merge branch 'skyhaikuteam-accordion-for-mobiles' into rc-2
version bump
Merge branch 'master' of https://github.com/skyglobal/web-toolkit into rc-2

Conflicts:
	_config.yml
	_site/changes.html
	_site/dist/scripts/toolkit.js
	_site/dist/scripts/toolkit.min.js
	_site/index.html
	dist/scripts/toolkit.js
	dist/scripts/toolkit.min.js
	dist/stylesheets/demo.css
	dist/stylesheets/toolkit.css
	package.json
added grunt-contrib-copy dependency
Merge branch 'rc-2'