Update README.md

Noting this works on Amazon Linux, which is a RHEL derivative
COOK-2928

* Abstract php directives in templates to a variable.
release v1.2.2
increment version for development
Merge pull request #18 from solarce/patch-1

Update README.md
[COOK-2378] removed unnecessary shell escaping from php_pear
update to new bucket for boxes
Merge pull request #23 from timurbatyrshin/master

[COOK-2378] php_pear does not work for libevent
Merge pull request #34 from rjocoleman/COOK-2928

[COOK-2928] make php.ini directives a chef variable
Sorts directives hash before writing php.ini template.
Merge pull request #38 from myplanetdigital/COOK-3047-sort-directives

[COOK-3047] Sort directives hash before writing php.ini template
Update CHANGELOG format
Fix whitespace
Fix README format
Version bump to v1.2.4
Bump devodd release
[COOK-3402] When the ext_dir setting is present, configure php properly for the source recipe

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2926] Use grep_for_version to detect if package is pear/pecl

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-3638] Fix download location

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-3568] Fix test kitchen Gemfile

Signed-off-by: Seth Vargo <sethvargo@gmail.com>