Deleted editorconfig

* Added python code style check in travis

Author: morsesfeeler@live.ru

.editorconfig

@@ -11,10 +11,13 @@ install:
   - pip install requests
   - pip install codecov
   - pip install pytest pytest-cov
+  - pip install pycodestyle
   - pip install .
 script:
   - coverage run --source=messagebird -m unittest discover -s tests/
   - coverage report --fail-under=80
+  - pycodestyle --statistics --ignore=E121,E123,E126,E133,E226,E241,E242,E704,W503,W504,W505,E501 ./messagebird/
+  - pycodestyle --statistics --ignore=E121,E123,E126,E133,E226,E241,E242,E704,W503,W504,W505,E501 ./tests/
 matrix:
   allow_failures:
   - python: 'nightly'