Fix some minor typos in the Advanced Playbooks documentation

Add a new with_file example to the authorized_key documentation

fixed check mode for service module

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

Fixed indention of vv() output

Make it possible to tell paramiko to not record new host keys, which can be slow with a large number of hosts.
-c ssh is preferred in most cases if you have ControlPersist available, otherwise if you are comfortable you
can turn off recording while leaving host key checking on, etc.

Repair issue #3447

Use .encode() instead of str() to support unicode arguments.

Breaks "," values in INI files

This reverts commit af051d6f.

Conflicts:

	packaging/rpm/ansible.spec

Conflicts:

	RELEASES.txt

- optimize for the extremely common case of people specifying pkg names ...

- optimize for the extremely common case of people specifying pkg names which are, ultimately, already installed
  on a system here time went from  16s for a series of pkgs to 3s to just
  check that they were installed.

str() throws an UnicodeEncodeError for code points that cannot be
represented in 7-bit ASCII. This makes it impossible to use any
non-ASCII characters in module arguments. Using encode('utf-8')
gives the desired result.

messages do not get interlaced.

Fix git submodule update when version specified

Makes host key checking the default behavior but can be disabled in ansible.cfg or by environment variable.

Make the CPU facts Hyperthreading aware

Add Jinja2 filter |bool : return boolean interpretation of the value