Update StarRating.js

Remove unecessary comment.
update intern to 1.6
Update README.md

update safari driver description.
Fix typo
Fix typo
Theme refactoring.
* transparently load the common CSS file of the current theme. widgets don't have anymore to explicitly ask the loader to load common theme CSS definitions.
* removes common_template
* updates deliteful widget to use the new structure
* allow widgets to use thier own variables.less to share variable between rtl/ltr less file without generating css.js file.
* remove mobile and d-background classes
Enhancement 83: added a sample that demonstrates using a dstore
observable memory store as the list model.
StarRating is not using CSS anymore to set the zero setting area width
Fix bidi display of StarRating in RTL mode when running in IE9.
Try to fix various layout/scrolling bugs:
 - LinearLayout Webkit issue: systematically add width:100% or height:100% (depends on the LL's direction) on nodes with "fill" class
 - ViewStack:
   - Remove all !important
   - Remove overflow-y constraint on ViewStack
   - Remove position and height constraints on children
Fixes #86 Now that d-view-stack CSS class doesn't set anymore the height of ViewStack's children, it needs to be set in the sample