Add Makefile. Add coveralls.

.travis.yml

@@ -7,4 +7,6 @@ install:
   - pip install --only-binary=numpy,scipy numpy scipy
   - pip install -r test_requirements.txt
 script:
-  - nosetests
+  - make test
+after_success:
+  - coveralls

Makefile

@@ -0,0 +1,2 @@
+test:
+	nosetests --with-coverage --cover-package=src

requirements.txt

@@ -1,5 +1,5 @@
 boto3 == 1.4.4
-coverage == 4.3.4
+coveralls == 1.1
 mock == 1.3.0
 requests == 2.2.0
 scipy == 0.19.0

test_requirements.txt

@@ -1,5 +1,5 @@
 boto3 == 1.4.4
-coverage == 4.3.4
+coveralls == 1.1
 mock == 1.3.0
 requests == 2.2.0
 statistics == 1.0.3.5