Added support for template group name during updating/creating tickets. Changed input parameter from templategroupid to templategroup
Merge remote-tracking branch 'remotes/origin/DOTNETAPI-4' into UnitTestingRefactoring

Conflicts:
	src/KayakoRestAPI/Core/Tickets/Ticket/TicketRequest.cs
	src/KayakoRestApi.UnitTests/KayakoRestApi.UnitTests.csproj