Correct assert and add with_items test

Vault rewrite, pass 1

Typo/Grammar fix.

allow ansible_ssh_private_key_file to be templated (thanks to benno)

This tests clean with the new integration tests.

Fix typo in guide_rax

replace test 'wget' package with 'hello' package

Remove obsolete module development docs

In the route53 module, documenting that TXT and SPF values must be surrounded by quotes

must be surrounded by quotes.

Otherwise you get a cryptic error message from Route 53.

Allow custom nosetest parameters

The NOSETESTS variable can be used to support customizing the nosetests
parameters.  This allows providing custom nose parameters such as
--with-coverage.

Minor readme tweaks since I haven't edited this in a while.

Added ansible-vault to the installer

fix json typo in documentation