Merge pull request #3067 from pol/devel

Remove inline comments from inventory tokenizing.
advanced playbooks docs yaml snippets always use ---
Merge pull request #3075 from dahpgjgamgan/doc_yaml_fix

advanced playbooks docs yaml snippets always use ---
bug fix nova_compute
Merge pull request #3078 from bennojoy/devel

bug fix nova_compute
Handle '#' in var strings by splitting on ' #'

If someone has a " #" in a quoted var string, it 
will interpret that as a comment and refuse to 
load the inventory file due to an unbalanced 
quote.