Merge pull request #320 from Yahkob/optimization

optimization(freelancerHelper): listen on body for clicks on navbar
Merge pull request #321 from Yahkob/bugfix

bugfix(gruntfile.js): remove uglify for the time being
Merge pull request #322 from Yahkob/bugfix

bugfix:(backbone.js): backbone was undefined
Merge pull request #323 from Yahkob/bugfix

bugfix(gruntfile,index): switch to CDN
optimization(grunt,index): add jQuery CDN add uglifying back
Merge pull request #324 from Yahkob/optimization

optimization(grunt,index): add jQuery CDN add uglify
Update index.html
bugFix(boardTileAssets): error in assets
bugFix(public): fix game tip, change assets to single quotes