Fixed a small buglet, if using with_items with yum and so on, only optimize the package list if the package list is all strings

now group by module invalidates host cached variables

for #2196 now gruopby module invalidates host cached variables so they can be reevaluated with new groups
Signed-off-by: Brian Coca <bcoca@tablethotels.com>

Rabbitmq parameters module

Use opkg module as basis for macports module

Allow relative creates/removes path with `chdir`

This puts host_vars and group_vars inside of the directory, allowing you
to target a single inventory but still have access to the variables.

Conflicts:
	library/apt

Allow specifying args directly to actions using module: syntax

Add mysql user documentation about idempotent playbooks

add to_nice_yaml|json filters

outside, and get confused about scope.  As a result simply this documentation
feature by not talking about it :)

Cowsay on OSX macports

Doc that fetch returns ok when src not present.

virt module doc fix

Adding support for OpenWrt

Update various modules for check_mode

This module is pretty simplistic, it is derived from the opkg module.

Add ISO8601 date/time format to setup

  Zulu time and one with microseconds, useful for timestamping
  Add TZ