disabled guessing in Enhanced RR client
removing guess-based RR2 calls
Updates tests after change to WGS84
Bumped pyon
Enhanced policy management tests
Merge pull request #817 from shenrie/master

Enhanced policy management tests
Refactored reset policy cache to use container management framework
Merge pull request #818 from shenrie/master

Refactored reset policy cache to use container management framework
Added trigger garbage collection in container management
Merge pull request #819 from shenrie/master

Added trigger garbage collection in container management
Fix ION_MANAGER access for precondition policies
Merge pull request #820 from shenrie/master

Fix ION_MANAGER access for precondition policies
Merge pull request #814 from ifreecarve/2013-03-28_no_guessing

Removes "guessing" behavior from enhanced RR client.
Merge pull request #816 from blazetopher/fix_midpoint_tests

Updates tests after change to WGS84
minor adjustment and a check to avoid unnecessary exception if platform
network was not created or launched properly
merge upstream/master
make sure self.p_root is defined
use correct RR2 calls eg.,
assign_instrument_agent_instance_to_instrument_device_with_has_agent_instance
 instead of assign_instrument_agent_instance_to_instrument_device)