Update NuGet.targets
Upgraded to SF 7.1.5141-beta
Updated README.md
Merge branch 'review' of https://github.com/Sitefinity-SDK/Telerik.Sitefinity.Samples.Coverflow into review
Modified CoverFlowWidget.csproj
Merge commit 'b2bc4e6c8ac4d1d11b113d9c9fe376f78d0a92db' into HEAD