Citrix NetScaler module

add (un)silence_nagios and command actions to the nagios module

Conflicts:
	library/setup

file module should check invalid arguments (fixes #2135)

password lookup plugin, with working tests and documentation

Update gettingstarted.rst

Added a fail_on_missing option to fetch.

Added a use_proxy option to get_url.

first_found lookup_plugin - replaces first_available_file

Add socket timeout to uri module.

EC2 Wait fix

Start of more OSX facts for setup

allow use of backrefs in lineinfile

Add openbsd_pkg: package management for OpenBSD.

Teach makefile to accept different versions of python

Adds note on python 3 incompatibility
Added note about ansible_python_interpreter for people having python3 as default interpreter (mainly Arch users ?)
Should fix #2344

Fixed 'service'. Now it respect 'enabled=no' as well.

Keeps every action plugin from having to do the same thing.

Update subversion module to work better with check mode

Respect gem_source option if specified

added check for starting $HOME for remote_tmp so as to non root sudo override

Consider service stopped if rc is 1

Minor spelling fixes