* Add parameter to keep elb rules
Does not purge elb rules. This is usefull if running the elb_application_lb
role and there is the desire to keep existing rules.
* Change variable name keep_rules to purge_rules
The descriptor purge has been used in the past.
* Changed default for purge_rules
Default is purge_rules. This is how the module has functioned previously. This change maintains
the previous behavior.
* Add integration test for purge_rules flag
* Change wording of test task
* Fix merge conflcit
* Changed default for purge_rules
Default is purge_rules. This is how the module has functioned previously. This change maintains
the previous behavior.
* merge conflcit
* Change wording of test task
* Add purge_rules option to test
* Change test description wording
* Expand purge_rules documentation
* Clarifies documentation for purge_rules option
