Merge pull request #66 from ralphholzmann/site

Changed avatars to use Gravatar.
updating version
Merge branch 'site' of github.com:SlexAxton/yepnope.js into site
Adding send to dropbox and changing GroupCard to JupiterJS.
updating links in docs site
Updating docs on site.
wrong size.
adding changelog more or less
Added some code examples to the 1.5.2 updates section.
making dual requests linkable.
Merge branch 'site' of github.com:SlexAxton/yepnope.js into site

* 'site' of github.com:SlexAxton/yepnope.js:
  Added some code examples to the 1.5.2 updates section.
version update