Use git repo for versioning rather than SVN.
Switch from SVN to Git for the official repository.
Add bash script for running builds.

Switching to DOS/PowerShell to run a build was slowly killing me.
Update build to match SVN repository.

+ Seems to upgrade Uppercut from 1.4.2.423 to 1.4.2.451.
+ Seems to switch to OpenCover instead of NCover, but it doesn't include executables.
Add and don't ignore /gems/bin/rh.
Merge pull request #109 from mpareja/git

Use git as the official Roundhouse repository.