source as-is from codeplex branch 4.2.x
upgraded clientapi to .net4, added clientapi to solution
fix deserialization exceptions - 'Invalid JSON primitive: .'
removed unused references
updated copyright info
update copyright info
add pdb to release mode configuration
Merge branch 'clientapi' of github.com:ohine/Dnn.Platform into ohine-clientapi
DNN-5831 Add DotNetNuke.WebUtility to DNN_Platform.sln
DNN-5831 Use project references for DotNetNuke.WebUtility