cloudformation: Fixed bug in module_fail. Consistent error handling.

Add --only-if-changed option.

Add Linode cloud support.

Add DigitalOcean inventory plugin

Add doc example of attaching tags to a role

initial arista module import

Add a mandatory jinja2 filter for use in templates.

lvol module: add support for multiple size formats

Added Linode inventory plugin

Fixed bug in module_fail. Consistent error handling. Adding comments. Removal of unused variable. Removed unecessary wait_for option.  was never been used to begin with.  Trim down the stack_outputs.  Don't need to include stack name and region since they are already required parameters.  Rollback supported in status operations.  Using dict when possible.

Improvements to wait_for module

get file/path facts via 'stat'

Added a provision for passing a server password to IRC

Add htpasswd module

expanduser on each component of plug-in paths

Remove redundant call to _get_path() in PluginLoader.find_plugin()

Fix the issue of easy_install ignoring virtualenv_site_packages=yes.