COOK-2928

* Abstract php directives in templates to a variable.
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
Merge branch 'upstream' into jenkins-upstream-5
Merge pull request #3 from rackspace-cookbooks/jenkins-upstream-5

merges from php - upstream