Added a Unit test for AlarmThresholdingBolt that creates a simple Alarm and triggers it.
Added a Unit test for AlarmThresholdingBolt that creates a simple Alarm and triggers it.

Added a logback.xml in src/test/resources so we can have debug messages for unit tests.

openstack/monasca-thresh,sapcc/monasca-thresh,stackforge/monasca-thresh,openstack/monasca-thresh,stackforge/monasca-thresh,sapcc/monasca-thresh,openstack/monasca-thresh