[CDF-414] - CCC - spinoff code of the "pvc.data" namespace into a new CTOOL: CDO
* New global variable "cdo"
* New file "cdo.js"
Merge pull request #37 from dcleao/CDF-414

[CDF-414] - CCC - spinoff code of the "pvc.data" namespace into a new CTOOL: CDO