disable travis build with 1.8 as does not work
diff --git a/.travis.yml b/.travis.yml
index 2d9e188..ea38ef3 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,6 @@
 jdk:
   - openjdk7
   - oraclejdk7
-  - oraclejdk8
 
 script: "mvn clean install"