Fixing deploying brooklyn-downstream-parent to sonatype
This closes #228
Don't manage BYON machine locations if requested by caller.
Fix copyResource to prepend runDir on relative paths again
Don't manage locations when needed just for REST serialization.
Dump detailed debug info for persisted mementos.
Dump debug context info when creating locations, spit a stack trace every now and then.
This closes #229
Change mvn groupId from io.brooklyn to org.apache.brooklyn
Remove log.warn about last io.brooklyn build
Update refs to org.apache.brooklyn, instead of io.brooklyn mvn group id