Squashed 'Telerik.Sitefinity.Samples.Common/' changes from 9ea6a71..b5e865b

b5e865b Upgraded to version 7.0.5100

git-subtree-dir: Telerik.Sitefinity.Samples.Common
git-subtree-split: b5e865bb91e6d2497737102865675035c331a9ad
Merge commit 'd57f4e7cf1313d805d81a22534b7347b360ba369' into review
Upgraded to version 7.0.5100

Upgraded to official Sitefinity version 7.0
Update README.md
Update README.md