fix bug in messagingservice,  add admin authentication to DeleteUser() in UserService, add _LayoutError and custom error views, turn on custom errors in webconfig
conflict resolution
ErrorView CSS work
Merge commit 'cceafc484fb7d84429504853b89e55d44105b90c'
Added MyException
Merge commit '515a8dc688c68525ef79387b251dc434aaed90ac'