pre merge
Solved Issue: Climate Engine worked with implicit historical mean. Setting mean for rainfall
at config.xml did not change the resource distribution.
Solution: "cellBiomass" xml item at config.xml receives an extra parameter denoting
which is the rainfall mean that produces the "value" xml field.
merging
Merge branch 'OneAgentTests' of https://github.com/xrubio/pandora into OneAgentTests

Conflicts:
	pandora/examples/gujarat/ForageAction.cxx
	pandora/examples/gujarat/GujaratState.cxx
	pandora/examples/gujarat/HunterGathererDecisionTreeController.cxx
	pandora/examples/gujarat/HunterGathererRandomMDPPolicyController.cxx
	pandora/examples/gujarat/SConstruct
	pandora/examples/gujarat/config.xml