Clean Up: Javadoc, unused code, fixed imports, and such.
Removed unused imports
Fixed Javadoc issues.
Minor fixes.
Fixed Javadoc issues.
NMS-6143: add provisioning requisition column to outages list display
Fix for NMS-6005: Negative filter for services in alarm list shows null
Merge branch 'mvr/cleanup'
Merge branch 'master' of git://github.com/OpenNMS/opennms

# By Markus von Rüden (5) and Ronald Roskens (2)
# Via Markus von Rüden (1) and Ronald Roskens (1)
* 'master' of git://github.com/OpenNMS/opennms:
  Fix for NMS-6005: Negative filter for services in alarm list shows null
  NMS-6143: add provisioning requisition column to outages list display
  Fixed Javadoc issues.
  Minor fixes.
  Fixed Javadoc issues.
  Removed unused imports
  Clean Up: Javadoc, unused code, fixed imports, and such.