version bump for a RC
put edit.svg in src folder as well as min and ran grunt fonts
added some doc about how to add new icons
fixed numbered list syntax
another RC deploy bump
minify skycons.css
Merge branch 'rc-2.2.13'

Conflicts:
	generated-skycons/skycons.css
	generated-skycons/skycons.eot
	generated-skycons/skycons.ttf
re-generated skycons