TravisCI should raise error on fail

Added missing `set -e` to travis script so that if the first line fails, it stops
2019-12-16 14:07:53 -05:00 · 2019-12-16 14:07:53 -05:00 · d26c621b2b
commit d26c621b2b
--- a/.travis.yml
+++ b/.travis.yml
@ -6,5 +6,6 @@ services:
  - docker

 script:
+  - set -e
  - TEST_MODE=yes make generate-devdoc
  - ./quickstart.sh