test and cleanup for getBase64Keystore

ConfigurationServerImpl.getBase64Keystore did not close the file input stream correctly. This patch adds test and replaces the file read with commons-io FileUtils call.

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Signed-off-by: Prasanna Santhanam <tsp@apache.org>
just an organize import

Signed-off-by: Laszlo Hornyak <laszlo.hornyak@gmail.com>
Signed-off-by: Prasanna Santhanam <tsp@apache.org>
nTIER - detail view to show the acl name with which it is associated