added reference to the documentation's github repository, issue tracker and public wiki.
fixed typos in reST syntax for some links
updated readme copyright information
fixed typeo: DefineColor to definecolor
fixed typo in code example

Added a missing brace to the href.
fixed error: Amazon cloudfront corrected to Rackspace
type: missing " in mspace example
Fixed typos in section on accessibility config
updated old version numbers from 2.1 to 2.2
Increase version number ; add empty whats-new file.
Update documentation for mml2jax preview #8
Add installation instructions via Bower #18
document AuthorInit/AuthorConfig #13
Add new Web fonts in the list of fonts for HTML and SVG. #16
Add reference to translate wiki. #17.
document matchFontHeight option #14
Document new menu items for MathML annotation #19
Fix error in startup sequence. #13
Document the MatchWebFonts extension. #15
minor fixes

fixing link and markup in new section on annotation