Fix more bool usage picked up by the 0.9.1 beta
Fix withConfig return type in restangular

`withConfig` method returns a new Restangular service, not a RestangularElement.
https://github.com/mgonto/restangular#properties
Merge pull request #809 from derekcicerone/patch-7

Fix more bool usage picked up by the 0.9.1 beta
Merge pull request #812 from santialbo/patch-1

Fix withConfig return type in restangular
Updated for TypeScript 0.9.0
Merge pull request #813 from codeBelt/master

Updated for TypeScript 0.9.0