fix typo
Enables a simple way to add arbitrary directives to the bottom of the template, through an overridable attribute in the cookbook
The directives attribute can be a list of strings, rather than a hash.
Merge pull request #12 from hd-deman/patch-1

fix typo
- Updated to released version of Berkshelf (@juliandunn)
- Incorporate @dschlenk fixes:

    Add attribute to control the max size of cached files.
    Update test kitchen CentOS 6 platform to 6.5.
    Add missing default value for cache_size.
    Add kitchen-openstack to cloud group in Gemfile.
    Rubocop -> RuboCop in Rakefile; pin rubocop version to ~> 0.23.0.
    Fix other Rubocop problems.
Merge branch 'directive-attributes' of https://github.com/dansweeting/squid into dansweeting-directive-attributes
Fix #9 - accidental overwrite of default by set
Merge pull request #22 from opscode-cookbooks/juliandunn/fix-set-attributes

Fix #9 - accidental overwrite of default by set
Added enable_cache_dir attribute to enable or disable cache_dir (@phutchins)