Mention in docs that the redis_kv lookup requires that the redis Python package
is installed.

Added "--recursive" to git clone command in installation via yum section. Changed rpm build parent directory to current dir.

There's a space missing "hosts:127.0.0.1" should be "hosts: 127.0.0.1"

Since Vagrant 1.7.0, released in December 2014, the private key file is autogenerated and has a new location - check the changelog for more info: [version 1.7.0 changelog](https://github.com/mitchellh/vagrant/blob/master/CHANGELOG.md#170-december-9-2014)

See https://github.com/ansible/ansible/issues/10109

Add a line in the docs to specify that dnstxt requires that you have the
dnspython package installed.

This filter was made because I needed to create idempotent UUIDs when
installing the agent for Go (http://go.cd), which uses UUIds to
distinguish the agents from each other.

It uses a newly created Ansible namespace to distinguish UUIDs created
by Ansible from any other source. The new namespace is a random one
created by uuidgen on OSX.

documented new hashing filters and preexisting hashing filters
removed extra sha1 example in others, clarified some of the hashing examples

Change 'uncrypted' to 'unencrypted'

I was reading the docs and thought "that wording seems off."

Need for clarification brought up here:
https://github.com/ansible/ansible/issues/9877

Use most recent parameters for yum

already