.travis.yml in utf8_proc-0.2.3 vs .travis.yml in utf8_proc-0.3.0

- old
+ new

@@ -5,9 +5,16 @@
   - 2.4.0
   - 2.3.3
   - 2.2.6
   - 2.1.10
   - 2.0.0
+  - ruby-head
+  - jruby-9.1.5.0
+  - jruby-head
+matrix:
+  allow_failures:
+  - rvm: ruby-head
+  - rvm: jruby-head
 before_install:
   - wget -O utf8proc.zip https://github.com/JuliaLang/utf8proc/archive/v2.1.0.zip
   - unzip utf8proc.zip
   - pushd utf8proc* && sudo make install prefix=/usr && popd
   - gem install bundler -v 1.14.4