ci(travis): modify travis file for better build process

maxnussbaum · GERMAN ATTANASIO RUIZ · commit 52a583181642 · 2018-07-06T16:38:25.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -29,4 +29,8 @@ deploy:
     api_key: $RUBYGEMS_API_KEY
     gem: watson_apis
     on:
-      branch: master
+      branch: master
+      rvm: 2.5.1
+
+matrix:
+  fast_finish: true
