updated to the latest version of RL2.
updated references to Injector to use IInjector.
updated package name for the CommandPayload.
added .gitignore to ensure build artefacts aren't accidently committed.
Merge pull request #1 from peterkeating/fix/update-to-latest-rl2

Update to latest Robotlegs 2.
Thanks, Peter.
Merge pull request #20 from robotlegs/master

Merge changes from robotlegs org fork