add .travis.yml

.travis.yml

@@ -0,0 +1,19 @@
+language: generic
+sudo: false
+git:
+  depth: 10
+
+install:
+  - |
+  - pip install covimerage --user
+
+script:
+  - uname -a
+  - which -a vim
+  - vim --cmd version --cmd quit
+  - make test
+
+after_success:
+  - covimerage write_coverage $TEST_PROFILE
+  - coverage xml
+  - bash <(curl -s https://codecov.io/bash)