Fixed .travis file to allow tests to work correctly.

Previously, submodules were not initalized, which could have had an effect ... .
Even though it shouldn't, but lets just try it.

Author: Byron

.travis.yml

@@ -6,4 +6,11 @@ python:
   - "3.4"
   # - "pypy" - won't work as smmap doesn't work (see smmap/.travis.yml for details)
 
-script: nosetests
+install:
+  - git submodule update --init --recursive
+  - pip install coveralls
+script: 
+  - nosetests
+after_success:
+  - coveralls
+