Bug fixes ( IP restrictions, OAI, user mgmt ) and DarwinCore

- Added ability to edit the zoological taxonomy (DarwinCore) from the online metadata templates (UF)
- IP Restriction Changes
    - Corrected new issue when editing IP restriction ranges
    - Corrected bug for restricted message not showing correctly for IP restricted materials
    - Can now select a number of specific IP ranges when you select RESTRICTED
    - Should have corrected issue reported that you had to edit metadata afterwards to make it take affect (UF)
- User Management
    - Corrected issue when saving users without any aggregation information
    - Corrected issue where 'can edit all items' flag was not displaying correctly sometimes
    - Renamed 'internal users' to 'power users' in interface only
    - Corrected typo on screen introduced in the major class reorganization (find and replace error)
- Corrected typo on pop-up form to confirm deleting an item (find and replace error)
- OAI-PMH Corrections
    - setDescription tag added to fix ListSets screens
    - record tag removed to fix ListIdentifiers
    - contentType is now set to text/xml
    - verified resumption token worked correctly