Fixes #206 an issue with hook enable/disabling and shebang detection
Adding TODO for issue #219
Closes #196 fixing PATH issue with hook when ran from Git GUI Clients

Also, this fix most likely closes many other issues around the same
problem, will try to verify on various clients.
Closes issues #223 and #225 plugin user input now parsed correctly when
configuring

Also, being more strict on enabling with true/false string for all
plugin configuration
Adding some extra troubleshooting info to README
Closes #208 mention new Boxen module in README for Mac installs
Fixes #215 (hopefully) sets mplayer fps, and uses last captured frame
adding vendor/bundle to gitignore
minor improvements to linux capturer
updated CHANGELOG
Merge pull request #227 from mroth/chicago-issue-smash

Chicago issue smash