Remove Old Repo Reference

The repository lives in 10up's GitHub now. Fix that.
Version bump
Backport master
Add Builder

Add a Grunt `build` task that will create a zipped deployment package for
the plugin by first Grunting the project, then copying the files to a
release directory, cleaning up source files, and compressing the project.
Also tag v0.1.6.
Merge 0.1.6
Add releases to gitignore
convert to OOP
merge fix;