Enable CodeCov

.codecov.yml

@@ -0,0 +1,13 @@
+# Documentation: https://github.com/codecov/support/wiki/codecov.yml
+codecov:
+coverage:
+  precision: 3
+  round: down
+
+  status:
+    # Learn more at https://codecov.io/docs#yaml_default_commit_status
+    project: true
+    patch: true
+    changes: false
+
+comment: false

.travis.yml

@@ -30,4 +30,6 @@ script:
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then ninja -C build test -v; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then SDKROOT=$(xcodebuild -version -sdk macosx Path) meson build && ninja -C build test; fi
   - dub build
-  - dub test
+  - dub test --build=unittest-cov
+after_success:
+ - bash <(curl -s https://codecov.io/bash)