Robust.UnitTesting was both ALL tests for RT, and also API surface for content tests.
Tests are now split into separate projects as appropriate, and the API side has also been split off.
* Project file refactor
Move all the .csproj files to the new .NET Core style.
This doesn't make any difference for compiling for Framework,
but it does reduce a ton of useless boilerplate.
As an extension of this, killed a bunch of uncompiled & unmaintained .cs files.
Compiling for release (to profile) works now.
Removed AnyCPU targets from the solution file.
* Fix compiler warnings.
RobustToolbox projects should be named Robust.*
This PR changes the RobustToolbox projects from SS14.* to Robust.*
Updates SS14.* prefixes/namespaces to Robust.*
Updates SpaceStation14.sln to RobustToolbox.sln
Updates MSBUILD/SS14.* to MSBUILD/Robust.*
Updates CSProject and MSBuild references for the above
Updates git_helper.py
Removes Runserver and Runclient as they are unusable