.travis.yml in bunto-sitemap-2.0.0 vs .travis.yml in bunto-sitemap-3.0.0

@@ -1,25 +1,24 @@
 # Travis CI
 
 sudo: false
 language: ruby
+cache: bundler
 rvm:
-- 2.0
-- 2.1
-- 2.2
-matrix:
-  include:
-    - # GitHub Pages
-    - rvm: 1.9.3
-      env: BUNTO_VERSION=1.0
+  - 2.0
+  - 2.1
+  - 2.2
 env:
   matrix:
     - BUNTO_VERSION=1.0
 branches:
   only:
     - master
-install:
-- travis_retry script/bootstrap
+before_script:
+  - chmod a+x script/bootstrap
+  - chmod a+x script/cibuild
+  - chmod a+x script/console
+  - chmod a+x script/release
 script: script/cibuild
 notifications:
   webhooks:
     urls:
       - https://webhooks.gitter.im/e/8e6011bb9dce6d5c0753