Merge branch 'subelements' of https://github.com/sergevanginderachter/ansible into sergevanginderachter-subelements

Conflicts:
	lib/ansible/runner/connection_plugins/accelerate.py

Fixes #4111

- use egrep patterns to detect BSDs in one ifeq
- use seconds-since-epoch as input for BSD date (-r option)
- get seconds-since-epoch from git log with "%at" format string

Add some more OpenBSD facts

Expand tilde in paths in file module

Locate easy_install path after (optionally) creating virtualenv.

added:
 * ansible_distribution
 * ansible_distribution_release
 * ansible_distribution_version

edit doc some more, remove line break

formatting, add twitter link

word wrap and formatting

Convert URLs to short form hyperlinks

URL formatting

Github formatting fixups

Add URLs to mailing lists instead so it's obvious on how to subscribe

Fixes #4104

This allows an included path to be relative to a directory, if the
basedir of the original path is a symlink. In that case, the path
is normalized and the file is searched for in the normalized path.

Fixes #3312