.travis.yml in pdf_ravager-0.2.0 vs .travis.yml in pdf_ravager-0.2.1

@@ -1,9 +1,12 @@
 language: ruby
 rvm:
   - jruby-18mode
   - jruby-19mode
   - jruby-head
+matrix:
+  allow_failures:
+    - rvm: jruby-head
 before_install:
   - sudo add-apt-repository "deb http://archive.canonical.com/ $(lsb_release -sc) partner" -y
   - sudo apt-get update -y
   - sudo apt-get install acroread ghostscript -y