add array mode and from metadata #3

select format between string and array

pass_in from metadata

change attribute name

description of array mode and from metadata
need depends using metadata
typo module_name
cleaned up with adviced #4
Merge pull request #4 from ZCloud-Firstserver/pull_array_and_from_metadata

Pull array and from metadata
Lots of cleanups I noticed while reviewing another PR
Merge pull request #5 from modcloth-cookbooks/misc-cleanups

Lots of cleanups I noticed while reviewing another PR