Updated behavior so that adding twice the same command fails
Moved Common under Src.
Added unit test for duplicate command registration.
Updated Common reference to point to master branch
Updated to the latest version of Autofac Extras

Supports metadata filters out of the box (so we can remove our autofac extensions).
Updated all packages.
Updated to the latest version of tracer which includes paralell foreach over tracers.
Made UIThread.BeginInvoke async always.