Installing german locale in system.

Author: okin

.travis.yml

@@ -2,6 +2,10 @@ language: python
 python:
   - "3.3"
   - "3.4"
+
+before_install:
+  - sudo apt-get update && sudo apt-get --reinstall install -qq language-pack-en language-pack-de
+
 install: 
   - "pip install -r requirements.txt"
   - "pip install -r requirements-test.txt"