#22 add and rm resc in ResourceAO
#22 work in progress add child
OPEN - task 22: resource tree comprehension 
https://github.com/DICE-UNC/jargon/issues/issues/issue/22

add remove child and tests
#22 working on queries and findAll
#22 resource group handling
#23 testing on 331
#23 overall testing against 3.0
#23 jargon core unit tests now all pass
#23 add rescHeir to speccolnp
#23 add rescHeir to speccolnp
Merge remote-tracking branch 'origin/consortium'
#23 more cleanups and testing
Merge branch 'master' of https://github.com/DICE-UNC/jargon