add a bit about submitting pull requests
NMS-6628 move the Asterisk monitor into opennms-asterisk and get it out of services dependencies
Merge remote-tracking branch 'origin/1.12' into rc/stable/1.14.0

Conflicts:
	opennms-asterisk/src/main/java/org/opennms/netmgt/asterisk/monitor/AsteriskSIPPeerMonitor.java
NMS-6886: Added improved checked for hostname resolution
NMS-6829 Applied diff supplied in issue and added pom.xml
NMS-6887: Clean up some synchronization issues and make sure webserver uses SO_REUSEADDR
Merge branch 'rc/stable/1.14.0' of github.com:OpenNMS/opennms into jira/NMS-4367