Removed exemptions from .jscsrc and fixed the code so jscs still passes.
Kept the exemption for disallowDanglingUnderscores because
of the naming convention for private functions in this repo.
Change-Id: I860f73394a2b92a411fe682abbb2ab0b5e1325f9
* Add package.json based on Flow's
* Add Gruntfile.js based on Flow's
* Add .csslintrc and .jscsrc with rules to silence errors for now
* Add .gitignore (!) to ignore node_modules/
Change-Id: I2db213da2f0ce77567f7968e73af9cdd6ed9da82