Updated collection management permissions descriptions

Removed capitalization from permission labels and updated the
descriptions.
Fixed a misplaced closing brace

A misplaced closing brace was causing the delete_members array to
always appear on the collection management page despite permission
settings.
Merge pull request #17 from dwilcox/7.x

Updated permission descriptions and fixed a misplaced closing brace
Fixed a "new FedoraObject" call that used a non-existent $rest_connection.
Merge pull request #19 from rosiel/7.x

Fixed a "new FedoraObject" call that used a non-existent $rest_connectio...