address all jshint issues
fix spacing in comments
Add jshint to the devDependencies, update makefile to use local jshint
Merge pull request #85 from yc662/fixCommentSpacing

fix spacing in comments
Merge pull request #86 from yc662/jshintLocal

Add jshint to the devDependencies, update makefile to use local jshint
Merge pull request #84 from yc662/jshintFixup

Address jsHint complaints