refactoring: move out menus from CRM services
refactoring: move out menus from VM classes
fix "cluster" option check
cleanup: comment typos, imports, exceptions and such
junit: use parameterized tests
fix npe in DRBD volume menu

caused by:
lcmc.gui.resources.drbd.VolumeMenu$1 cannot be cast to
javax.swing.Action
lcmc.gui.resources.drbd.ResourceMenu$1.updateAndWait(ResourceMenu.java:41)
lcmc.gui.resources.Info$9.run(Info.java:660)
junit tests for menus
fix debug output
DRBD: fix exception in volume menu after creating a resource

java.lang.NullPointerException
null
lcmc.gui.resources.drbd.VolumeMenu$2.action(VolumeMenu.java:110)
lcmc.gui.ClusterBrowser$DRBDMenuItemCallback.mouseOver(ClusterBrowser.java:2705)
lcmc.gui.resources.Info$10$1.run(Info.java:720)
DRBD: reenable and fix range checks of fields