:green-heart: Sort out which Ruby can be used on Travis

Author: BookOfGreg

.travis.yml

@@ -7,7 +7,7 @@ cache:
   bundler: true
   yarn: true
 rvm:
-  - 2.4.2
+  - 2.3.0
   - 2.1
   - jruby-9.1.9.0
 

package.json

@@ -14,6 +14,6 @@
     "webpack": "^2.3.3"
   },
   "dependencies": {
-    "react_ujs": "^2.4.1"
+    "react_ujs": "^2.4.2"
   }
 }

yarn.lock

@@ -1314,6 +1314,12 @@ react_ujs@^2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/react_ujs/-/react_ujs-2.4.1.tgz#a0a9c83c258fe945a797b716e07a8f091d194e51"
 
+react_ujs@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/react_ujs/-/react_ujs-2.4.2.tgz#c09365579b1c7b2191eab5a57f007609fd1852ba"
+  dependencies:
+    react_ujs "^2.4.1"
+
 read-pkg-up@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"