Merge branch 'develop'
Update to allow cache of Ajax requests except varnish csi
Add missing double quote
Merge pull request #17 from mlopes/hotfix/vcl-double-quote-missing

Add missing double quote
Fix type bug on default attributes

A string being used to define an attribute value instead of a boolean,
was causing the default value of "false" to be evaluated to true.
Move reference to use the chef-php-extra version of memcache recipe
Merge pull request #19 from mlopes/feature/fix-developer_mode-bug-on-default-attributes

Fix type bug on default attributes
Swap order of if's to allow for exceptional handling of 500 errors
Merge pull request #20 from mlopes/feature/Fix-500s

Feature/fix 500s