Description of problem:
Need better ui feedback message


Steps to Reproduce:
1.  create a role with a long name (>255 chars)
2.
3.
  
Actual results:
PGError: ERROR: value too long for type character varying(255) : INSERT INTO "roles" ("name", "updated_at", "scope", "lock_version", "created_at") VALUES(E'lllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll', '2011-02-02 19:16:06.773329', E'BasePermissionObject', 0, '2011-02-02 19:16:06.773329') RETURNING "id" 


Expected results:
ui feedback message stating that the name value is too long

Additional info: