Updated changes in webapp generator

Remove deprecated es5 rule from jshintrc
Use grunt-contrib-watch
Inherit from generators.Base
Add touch icon pattern to copy:dist task
Add 'bower_components' to expected list of test
Add 'getting started' and more option to readme
Add support for testing through jasmine
Update Compass task
Upgraded to bower 0.9 glossary
Use the new prompts for confirmations
Bump yeoman generator
Improve comment and Add to compass task generated images path
Various fixes