Minor grammar fix in manpages and update docs url.

Allow hacking/env-setup module path to use config file library path

hacking/env-setup now adds the configured library path in ANSIBLE_CONFIG
to the ANSIBLE_LIBRARY environment variable in addition to the previous
default of ANSIBLE_HOME/library.

This replaces #5950.

rax_facts and rax_keypair modules: update docs

Fixes #4821

rax module: Don't set a default for disk_config

Add some notes on installing on FreeBSD

Fix various typos in markdown documentation

Fix typos in ISSUE_TEMPLATE.md

Fixes #5399

Could perhaps be expanded with more prose, but this will do for a start.

Fix typo in CODING_GUIDELINES.md

Improve ec2 module docs

Change reference to open 'intranet' to 'internet'

Include all man pages in Arch Linux package.

Fix Linode inventory plugin causing a Chube exception when attempting to obtain information on a specific Linode host

While we're on it, change $pkgdesc to follow its counterpart from
official repositories. Additionally don't install RELEASES.txt and
CONTRIBUTING.md; there is little use for them from the user's perspective.

The Internet is being referred to, but the documentation uses the word 'intranet'.

add missing ' in Linode documentation

Refining the fix made in #5885.

Merging this quickly after PR as further testing of of earlier fix demonstrated flaws. Those flaws are now removed and tested to be removed.

It turns out that some of the assumptions in #5885 were slightly off. The previous fix relied on a call to the module to creat a tmp_path. This is insufficent as there are few cases that we need to have the tmp directory before we make the module call. If we don't have a tmp_path before we do a recursive call or when we find a file that does not match the remote md5 hash we need to create a tmp directory. Also we are not more percise when we will need to clean up the remote tmp_path.

This reverts commit 60d3611b.

Revert "Revert "Revert "This patch makes Ansible reuse fork allocation between seperate instantations of the runner API, therefore the overhead of recreating forks"""

This reverts commit 73ca1a17.