* Fix Packet guide to comply with latest version of the packet module
* Fix backticks in rst
* rephrase wait_for_public_IPv description
* Edited for clarity.
- old functionality is still available direct lookup use, the following are equivalent
with_nested: [[1,2,3], ['a','b','c']]
loop: "{{lookup('nested', [1,2,3], ['a','b','c'])}}"
- avoid squashing with 'loop:'
- fixed test to use new intenal attributes
- removed most of 'lookup docs' as these now reside in the plugins