Fix egenix install

Author: ecarreras

.travis.yml

@@ -10,6 +10,7 @@ services:
   - redis-server
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install unittest2; fi
+  - if [[ $ERP == 5 ]]; then easy_install egenix-mx-base; fi
   - pip install -q -r tests/tests_${ERP}_requirements.txt
   - pip install -q -r requirements.txt
   - mkdir -p ${HOME}/src

tests/tests_5_requirements.txt

@@ -1,5 +1,4 @@
 Python-Chart
-egenix-mx-base
 lxml
 psycopg2<2.8
 pydot