Removed ModernUI Dependencies.
Removed NetworkingVM and AsyncTcpServer

Removed last remaining module but left the empty "Module" folders.
Removed references to ViewModels.Modules namespace (no longer exists).
Removed namespace reference in RED.Tests project as well because of
this.
Fixed some gridsplitter bug and resized dialogs.
Merge pull request #11 from MST-MRDT/Enhancement/Remove-Modules

Cool beans.
Merging master.
Bug fix in project file after merge.