chore(pylint): add pylint to travis CI

In the current implementation, not fatal, critical or warning errors are tolerated.

Closes #2

.travis.yml

@@ -7,6 +7,8 @@ install:
   - pip install -r requirements.txt
   - pip install codecov
 # command to run tests
-script: python -m pytest . --cov=starter --cov-report term --cov-report xml
+script:
+  - pylint --ignore-patterns=test* starter || [[ $? == 0 || $? -ge 8 ]]
+  - python -m pytest . --cov=starter --cov-report term-missing --cov-report xml
 after_success:
-  - codecov
+  - codecov

requirements.txt

@@ -1 +1,4 @@
-pytest-cov
+pytest
+pytest-cov
+mock
+pylint

starter/starter.py

@@ -16,11 +16,22 @@ class StartExample(object):
     """
 
     def __init__(self):
+        """
+        Starter Example constructor. Used to setup before running.
+        """
         self.location = "World"
 
     def run(self):
+        """
+        Run your application.
+        :return:
+        """
         self.print_version()
         print("Hello {}!".format(self.location))
 
     def print_version(self):
+        """
+        Print the version
+        :return:
+        """
         print("Version: {}".format(__version__))