(TravisCI) Output VM memory stats after the tests
(TravisCI) Output VM memory stats after the tests

jfederico/Hilary,stuartf/Hilary,Orodan/Hilary,simong/Hilary,simong/Hilary,nicolaasmatthijs/Hilary,nicolaasmatthijs/Hilary,Orodan/Hilary,stuartf/Hilary,timdegroote/Hilary,jfederico/Hilary,mrvisser/Hilary,ExC0d3/Hilary,mrvisser/Hilary,ExC0d3/Hilary,timdegroote/Hilary