* Renamed the avi_ansible_utils to avi. Fixed the import error and cleaned up code.
* Refactored all new modules to use the new module_utils.avi
* Added module_utils.avi to python 2.4 skip list
* Added check for avi SDK version as suggested in review.
* Fixed documentation based on review.
* Renamed module_utils.avi to module_utils.avi_ansible_utils
as import of avi.sdk would fail due to name collisions.
Moved the code to check for AVI version into the ansible modules.
* Updated the module with note about reason for name change.
* Added new module to setup Avi VirtualService
* Fixed the documentation error where [] brackets where used making it incompatible with yaml
* Fixed inconsistency between argspec and documentation regarding defaults and required attributes
* Added support for check mode
