OPENIG-144 Replace our own ***Decorators with the ones from forgerock-util

git-svn-id: https://svn.forgerock.org/openig/trunk@270 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
OPENIG-146 HttpBasicAuthFilter does not removes Auth* headers
* Fixed issue
* Added test case

git-svn-id: https://svn.forgerock.org/openig/trunk@271 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
OPENIG-147 HttpBasicAuthFilter accept username starting with a colon (:)
* Fixed + added a test case

git-svn-id: https://svn.forgerock.org/openig/trunk@272 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
OPENIG-144 Removed unused classes

git-svn-id: https://svn.forgerock.org/openig/trunk@273 dbb9e58e-28e6-4ce0-90e8-f11d9605b710
OPENIG-106 Added missing javadoc for generics

git-svn-id: https://svn.forgerock.org/openig/trunk@274 dbb9e58e-28e6-4ce0-90e8-f11d9605b710