Adding usage of the cdn

Now we can use the AT CDN to redirect to custom version of the framework using the query parameter atversion=1.4.4
Fixing the IO filter
Adding the .project in .gitignore
Fixing a bug in the IO Filter

There were an mismatch in the test to redirect to the right url in the IO Filter.
We only need to redirect if the call are coming from the ViewerCtrl or if the requested url starts with '/samples/'

Otherwise we don't change the requested url
Rollbacking CDN changes

Some samples are basically not working anymore under IE
Merge pull request #7 from fbasso/samples

Adding the .project in .gitignore
Adapting the style to be IE7 compliant.

The global absolute layout was not at all IE7 compliant.