Setup bors

.travis.yml

@@ -9,6 +9,15 @@ os:
 
 sudo: false
 
+branches:
+  only:
+    # This is where pull requests from "bors r+" are built.
+    - staging
+    # This is where pull requests from "bors try" are built.
+    - trying
+    # Also build pull requests.
+    - master
+
 env:
  global:
    - RUST_BACKTRACE=1

bors.toml

@@ -0,0 +1,4 @@
+status = [
+  "continuous-integration/travis-ci/push",
+  "continuous-integration/appveyor/branch"
+]