- add on-fly payload template loading instead of creating it from a predefined dict for vRa7 payload (for both resource action and catalog item)
- fix some doc issue, split definition creation and get/list data section
- remove enforce_id option, now it is always enforce
- fix a bug where the base payload was customized instead of keeping it clean
- fix a bug for vra6 payload. boolean type input where not managed
- some minors fix