Merge pull request #74 from mdaliejaz/gh-pages

Updated docs for 14.4.0
Merge pull request #77 from mdaliejaz/gh-pages

Updated gitbook
Merge pull request #78 from mdaliejaz/gh-pages

Updated index HTML.
Merge pull request #80 from mdaliejaz/gh-pages

Added google analytics on gitbooks
Added gitbook 15.1.0 (development mode)