updated travis.yml file for only running checkdeps module

.travis.yml

@@ -9,10 +9,10 @@ addons:
       - python-qt4
       - tor
       - xvfb
-install:
-  - pip install -r requirements.txt
-  - ln -s src pybitmessage  # tests environment
-  - python setup.py install
+# install:
+#   - pip install -r requirements.txt
+#   - ln -s src pybitmessage  # tests environment
+#   - python setup.py install
 script:
   - python checkdeps.py
   - xvfb-run src/bitmessagemain.py -t