Add Makefile, respect DESTDIR and prefix settings
Prefer production over master for released code
Prefer a 'v' prefix on version tags
Set hubflow repo to strongloop, for upgrade
Don't use master as a production candidate

It doesn't work to use master as a candidate for guessing production
branch, since it always exists.
Install in ~/bin as symlinks

Useful during development, changes to gitflow tools in local clone
immediately are available.
Merge pull request #1 from strongloop/modify-defaults

Strongloop changes need to be on master