Fixed syntax error and removed unused imports

shell module: document removes option and sync with command module doc

Further modifications to the module formatter to adjust to the new theme, and some misc docs text corrections.

Rename "jpfunc" to something more explanatory

Fixing a small typo in the Galaxy README template

Fixing a typo in the Amazon Web Services and Rackspace Cloud guides

More minor doc fixes

Reorg of the documentation tree such that the sidebar will be more correct.  Some work yet to do on module docs.

Rackspace Guide Example Fix

Lookup plugins for optional web services do not warrant advertising in ansible.cfg.

Lookup plugins do not warrant settings in ansible.cfg.

Remove quotes aroung etcd_url value

minor typo fixes for the rolling update guide

Make sure action plugin copy cleans up tmp dir

The copy action plugin creates its own tmp dir for each file that it
copies to the target machine.  However, it does not clean up the
original tmp path it was given when run() is called.  This cleans up the
tmp path before it begins looping on source files.

I get errors like this with etcd_url = 'http://127.0.0.1:4001':
urllib2.URLError: <urlopen error unknown url type: 'http>