Trying clang 3.7 for travis ci
Trying clang 3.7 for travis ci


Former-commit-id: 03c342986ff44df4b6bc70e3fe4652953a0e83a9
dpayne/cli-visualizer,jgkamat/cli-visualizer,dpayne/cli-visualizer,dpayne/cli-visualizer,jgkamat/cli-visualizer,jgkamat/cli-visualizer,jgkamat/cli-visualizer,dpayne/cli-visualizer