Squashed 'Telerik.Sitefinity.Samples.Common/' changes from 0f1e27d..8e98e2b

8e98e2b Merge commit '3d36553dfecf0102f17289986822c7d9e684a115' into HEAD
3d36553 Upgraded to Sitefinity 7.3.5600.0
5efcd44 Update README.md

git-subtree-dir: Telerik.Sitefinity.Samples.Common
git-subtree-split: 8e98e2b7fc2ee85df65d4143ebb1d338c1aa6aa2
Merge commit '75375e4a1fd978ea44c0d6a66e7cb6b1ae87b48f' into review
Upgraded to 7.3.5600
Merge commit 'ccfb2b6d0f33f3815b5a9e29f9d3b4ea28d61a6c' into HEAD