.travis.yml in net-dns-0.8.0 vs .travis.yml in net-dns-0.9.0

- old
+ new

@@ -1,20 +1,13 @@
 language: ruby
 
 rvm:
-  - 1.8.7
-  - 1.9.2
-  - 1.9.3
-  - 2.0.0
-  # - jruby-18mode
-  # - jruby-19mode
-  - rbx-18mode
-  # - ruby-head
-  # - jruby-head
+  - 2.1
+  - 2.2
+  - 2.3
+  - 2.4
+  - 2.5
+  - jruby-9.1.5.0
+  - ruby-head
 
-notifications:
-  recipients:
-    - weppos@weppos.net
-
-matrix:
-  allow_failures:
-    - rvm: 2.0.0
+cache:
+  - bundler