Merge pull request #40 from kraftwer1/master

Readme.md explains --coffee option
Upgrade ember, handlebars
Merge pull request #43 from fayimora/upgrade-ember

Upgrade ember and handlebars
Merge pull request #42 from kraftwer1/master

Removed whitespaces for consistency
Upgrade to generator 0.11
Generate App.Store with Ember Data
Updated tests for generator 0.11
Merge pull request #47 from passy/emberdata

Generate App.Store if Ember Data is enabled
Merge; added compass:options according to generator-webapp