v1.6.1
docs(*): fix typos in comments and docs
chore(eslint): enable `quotes: ["error", "single"]`
chore(*): switch from JSHint/JSCS to ESLint
chore(build): Update closure i18n integration
chore(dependencies): USE YARN (and node 6)
chore(ngLocale): Include numberformatsymbolext.js in Closure Slurper Script