CI: Fast finish Travis builds

.travis.yml

@@ -25,6 +25,7 @@ script:
 
 env:
   matrix:
+    - fast_finish: true # Fail the whole build as soon as one test type fails. Should help with Travis capacity issues (very long queues).
     - TEST_TYPE=e2e-objc-tvos
     - TEST_TYPE=e2e-objc
     - TEST_TYPE=objc-ios
@@ -41,7 +42,7 @@ notifications:
   email:
     recipients:
       - mkonicek@fb.com
-      - eloy@artsy.net
+      - eloy@artsy.net # Eloy Durán maintains the podspecs test and wants to be notified about failures
     on_failure: change
     on_success: change
   slack: