named vector of wrench to be used for mars simulation and sherpa_tt motion controller
named vector of wrench to be used for mars simulation and SherpaTT motion controller

the WrenchState is introduced so that there is no redundant base::time in base::samples::Wrenches and base::samples::Wrench.
Merge branch 'master' of github.com:ajishbabu/base-types

Conflicts:
	base/samples/Wrenches.hpp
renamed WrenchState to Wrench
Merge pull request #6 from ajishbabu/master

named vector of wrench to be used for mars simulation and sherpa_tt moti...