documented new hashing filters and preexisting hashing filters
removed extra sha1 example in others, clarified some of the hashing examples

This is incomplete work, and requires some minor tweeks to the integration
tests which are not included in this commit.

without simplejson

fix typo

Add integration tests for the rax module

The test template output is compared against an expected output.  Since
hostvars contains information specific to the host it runs on we can't
test the python2.6 bug this way.

This reverts commit af4d6105.

Add Gentoo install notes do intro_installation

don't double the count of i for LinuxHardware cpuinfo keys on 'vendor_id' and 'model name' keys

Conflicts:
	hacking/env-setup

Conflicts:
	hacking/env-setup

Corrected spelling mistake in ec2 inventory script

When checking for Xen for LinuxHardware processor facts, don't check sysfs if already found in /proc/

Set ansible_distribution_version differently for Solaris variants.

run_once tasks are skipped without checking the delegate_to host #9784

Add integration test for ansible-modules-core #460

Fix various inventory scripts to use env python