ENTESB-768: Allow patching mechanism to upgrade to another minor version if necessary

Conflicts:
	esb/jboss-fuse/src/main/filtered-resources/etc/org.apache.karaf.features.cfg
ENTESB-768: Allow patching mechanism to update to another minor version via FMC

Conflicts:
	fabric/fabric-agent/src/main/java/org/fusesource/fabric/agent/DeploymentAgent.java