use bioperl from github

.travis.yml

@@ -20,8 +20,10 @@ addons:
 before_install:
     - git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-test.git
     - git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-variation.git
-    - wget http://bioperl.org/DIST/BioPerl-1.6.1.tar.gz
-    - mkdir bioperl-live && tar zxvf BioPerl-1.6.1.tar.gz -C bioperl-live --strip-components 1
+    - git clone https://github.com/bioperl/bioperl-live.git
+    - cd bioperl-live
+    - git checkout bioperl-release-1-6-1
+    - cd ../
 
 
 install: