Bump gem version.
Lock file should depend on published gem version.
Replace :git flag to tddium_setup with generic :scm flag.
Re-arrange for multiple SCM support.
Convert to more generic SCM interface instead of pure-git interface.
Preliminary HG support.
Make missing mirror error message more obvious, move git-remote-hg into bin

Factor out script path prepend
Add scm indicator to gem version.
Transition from Tddium to Solano CI name.
Git 2.x+ is OK, too.
Overwrite Thor invoke_command to fix the help message