1) Change 403 layout to use existing Data Custodian header and footer
layouts
2) Change 403 layout to say "Data Custodian" rather than "Third Party"
3) Change "Remi Networks" to "REMI Networks"
4) Remove multiple OAuth Token menu items on Custodian menu bar and
replace with a single "OAuth Token Management" selection
5) Add resource authorizations for new "OAuth Token Management" URIs