vagrant module documentation

mysql_db: use --password= instead of -p in dump/import

small doc fix for 'make deb'

Updated and improved the documentation (examples)

Service module changed to terminate early if only enabled specified

Adding npm module

Provide functionality to work with Rackspace's public cloud

Expanded the documentation slightly.

Improved backrefs example in lineinfile.

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

Preliminary ability to use Jinja2 {{ }} to replace ${foo.bar} in playbooks.  Can't use both at the same time per line.

Typo in cloudformation module documentation.

postgresql_user: fix docstrings

Change documentation of "state" param to refer to user (role) state instead of
database state.

Change 2 function docstrings to reflect the code

Use aptitude safe-upgrade for apt upgrade=yes

Use aptitude safe-upgrade instead of apt-get upgrade to implement
apt: upgrade=yes. Using aptitude ensures that missing dependencies
will also be installed.

Fixes #2540

Vagrant module - fixed version_added