Further cleaned up the service accessor by abstracting some operations.
Changed service error handling to utilize a popup. The error catches can be made
more detailed in the future, but this should suffice for now.
Made this branch compile on top of changes commited to fiordland branch.
Made changes suggested by rversaw, also added a new exception dialog for
failed server calls.
Merge remote-tracking branch 'origin/furtherAccessorChanges' into furtherAccessorChanges

Conflicts:
	HudlRT/Common/ServiceAccessor.cs
Created a specialized error message for unauthorized access status code.
Merge pull request #86 from hudl/furtherAccessorChanges

Further accessor changes