updating build-exceptions list to include gcc49
updating build-exceptions list to include gcc49

nanobox-io/nanobox-docker-build,nanobox-io/nanobox-docker-build,nanobox-io/nanobox-docker-build,nanobox-io/nanobox-docker-build,pagodabox/nanobox-docker-build,pagodabox/nanobox-docker-build