Merge pull request #3 from GCorbel/master

allow to use other delimiters, do not humanize the columns and enable translations
changes for 1.0 of Active Admin
Updates for 1.0, changes to resource_params method to avoid name clash
Fix for alternative delimiters
Merge pull request #4 from Papercloud/rails-4-active-admin-1.0

Changes for 1.0 of Active Admin
Bump to 1.1.1
add a failing spec for semicolons