server context handler
replaced SavingPromise and CancelingPromise with handler arrays
Merge branch 'master' into ServerContextHandler
Merge branch 'ServerContextHandler'
Merge branch 'DesignerPromises' of github.com:Sitefinity/feather into DesignerPromises
Merge branch 'DesignerPromises'
Added new integration test ResourcePackage_AddNewPackageWithLayoutFiles_VerifyGeneratedTemplates
Merge branch 'master' of https://github.com/Sitefinity/feather
Merge master branch to NewsWidget