Merge pull request #154 from dcleao/CLEANUP

[CLEANUP] - Review build scripts
[CDF-414] - CCC - spinoff code of the "pvc.data" namespace into a new namespace: CDO
* Fix - don't use Object.getOwnPropertyDescriptor in Rhino, it's buggy.
Merge pull request #155 from dcleao/CDF-414

[CDF-414] - CCC - spinoff code of the "pvc.data" namespace into a new namespace: CDO
[CDF-424]: fixed bug where generic extensionPoints were overriding more specific ones
Merge pull request #156 from davidmsantos90/master

[CDF-424]: fixed bug where generic extensionPoints were overriding more specific ones
[CLEANUP] - Adding tipsy.css as an AMD dependency of jquery.tipsy.js.
* Also affects cgg. Pull-request follows.