Upgrade bazel

.travis.bazel-0.14.1-installer-linux-x86_64.sh.sha256

-7b14e4fc76bf85c4abf805833e99f560f124a3b96d56e0712c693e94e19d1376  bazel-0.14.1-installer-linux-x86_64.sh

.travis.bazel-0.19.0-installer-linux-x86_64.sh.sha256

+b9e988643b10444d6d8eb04461418b7b80e3d171e12d1c8b6e2a50f541e739e7  bazel-0.19.0-installer-linux-x86_64.sh

.travis.yml

@@ -14,9 +14,9 @@ addons:
       - python
 
 before_install:
-  - wget https://github.com/bazelbuild/bazel/releases/download/0.14.1/bazel-0.14.1-installer-linux-x86_64.sh
-  - sha256sum -c .travis.bazel-0.14.1-installer-linux-x86_64.sh.sha256
-  - bash bazel-0.14.1-installer-linux-x86_64.sh --user
+  - wget https://github.com/bazelbuild/bazel/releases/download/0.19.0/bazel-0.19.0-installer-linux-x86_64.sh
+  - sha256sum -c .travis.bazel-0.19.0-installer-linux-x86_64.sh.sha256
+  - bash bazel-0.19.0-installer-linux-x86_64.sh --user
 
 script:
 - mkdir -p $HOME/gopath/src/github.com/bio-routing/