First pass on a script to set up a working copy of the current checkout of Grunt Drupal Tasks. This would obsolete the current test/invert_example.sh technique to allow better coexistence with the current git checkout.
Adding comments and fixing gitignore paths.
Update .travis.yml to use the create_working_copy.sh script.
Removing the obsoleted invert_example.sh script.
Merge pull request #67 from phase2/feature/create_working_copy_script

Improved script for setting up dev working copy