Add grunt watch for linting and testing
Add grunt watch for linting and testing

dustinryerson/gh,tomzx/gh,dustinryerson/gh,TomzxForks/gh,modulexcite/gh,oouyang/gh,TomzxForks/gh,henvic/gh,henvic/gh,modulexcite/gh,tomzx/gh,oouyang/gh