changes gem version detection mechanism
Merge branch 'master' of https://github.com/mytestbed/omf into app_proxy
WIP implementing #923, missing guard for configure message

Almost done implementing #923. The only remaining issue is the
guard in the configure message sent to the RC as a result of a
dynamic property update, does not seem to work when the condition
in that guard is the hrn of the application context that should
be the only to react to that configure message