Add build and Testing to gitignore
Use a namespace
Check out 1.6 branch of googletest instead of head
Do not use C++11 for gtest: Mavericks fix
:Merge branch 'scaffold' into trial_implementation

Conflicts:
	reactor/cmake_modules/FindGTest.cmake
	reactor/reactor.cpp
	reactor/src/Species.cpp
	reactor/src/Species.h
	reactor/test/SpeciesTest.cpp