add commons-codec as a feature dependency
make default broker "opennms" instead of "localhost"
a little cleanup of dependencies and transport stuff
Revert "Added ActiveMQ configs as Maven artifacts and changed features.xml so that they"

This reverts commit 8b8fa1a72ff3754da6237673257ab31c9a7df859.

Conflicts:
	features/src/main/resources/features.xml
Revert "Updated opennms-setup.karaf and smnnepo-setup.karaf to use ActiveMQ's"

This reverts commit 44885bb675e87d7c320496862fa89364714d29f9.

Conflicts:
	sampler-repo-webapp/src/main/webapp/opennms-setup.karaf
	sampler-repo-webapp/src/main/webapp/smnnepo-setup.karaf
	sampler-repo/pom.xml
Broker is called 'localhost', not 'opennms'