60a10a694b1bd8f92869e782b00000925640fac1

* Created a OS common config facade. * Added package reddwarf.openstack.common.rpc as well as excutils, jsonutils and some other files. Modified it a bit to use the config facade. * Deleted reddwarf.rpc. * Moved _wrapper code to count running tasks out of reddwarf/taskmanager/manager.py and put it into the common service Manager base class.
This is the new reddwarf lite goodness
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