implementing the methods added to AbstractGeoServerSecurityService in GEOS-5557 [refs #4010024]
make mvn build the jar for geoserver 2.4.0 [refs #4010024]
Merge branch 'master' into geoserver-2.4

* master:
  set corect name for field in DrupalAuthProviderPanel [refs #3090098]
include the git commit hash in the jar [refs #4030016]
translate class names on the Geoserver "Users, Groups, and Roles" page [refs #4030018]
translate class name of DrupalAuthenticationProvider [refs #4030018]
display the version of geoserver-sec-drupal on the AuthenticationProvider configuration page in the web interface [refs #4030016]
document usePrefix option [refs #3090099]
translate usePrefix explanation and use also in DrupalUserGroupServicePanel [refs #3090099]