Squashed 'Telerik.Sitefinity.Samples.Common/' changes from 0b55d98..0f1e27d

0f1e27d Upgraded to Sitefinity 7.2.5300.0
1cde331 Fixed references
793ba89 Updated references
003112b Updated to version 7.1.5203

git-subtree-dir: Telerik.Sitefinity.Samples.Common
git-subtree-split: 0f1e27d4775d2309a2850ed51024913e6d9016d1
Merge commit '2f5c80802efade44880cec72009e937ae205f121' into review