Add Bundler commands to "source install" documentation
Debian wheezy (7) detection
Merge pull request #165 from ares/master

Added detection for debian 7 (wheezy)
Handle gem dependencies the ruby gems way
Changelog updates
Pre-release version bump
Match chef's latest version strings
Rebundle for latest gems
Ignore travis from manifest

Decided to also set up a proper ignore array.
Put dev gems back in for travis