add performance link to backup argument for eliminating styles fro script
Merge branch 'master' of https://github.com/bitmap/frontend-guidelines into bitmap-master

Conflicts:
	README.md

merge bitmap's changesets
fleshing out more of the HTML guidelines. Move some CSS guidelines around
Updating HTML guideline
reformatting document
adding guidelines for html attributes
fix bad merge
add description for VPATs and Responsive
move some text around
normalize whitespace to spaces (not tabs)
rearranging document text
add links to third-party tools
moving text around and minor reformatting