Run after script

Signed-off-by: Jeffrey Morgan <jmorganca@gmail.com>

.travis.yml

@@ -1,7 +1,3 @@
-script:
-  - npm install
-  - npm test
-
 cache:
   directories:
   - resources
@@ -12,5 +8,12 @@ before_install:
   - brew unlink node
   - brew install homebrew/versions/node4-lts
 
+script:
+  - npm install
+  - npm test
+
+after_script:
+  - bash -c "$AFTER_SCRIPT"
+
 os:
   - osx