Fix various lint issues (#29)

* Improve code styling and doc by fixing lint issues. Fixed all flake8 issues and added to make lint. Closes #22.

* resolve lint errors. disable some checks for later evaluation.

* Fix lint errors associated with python 2 v python3 support.

* Code review comment updates.

Makefile

@@ -41,7 +41,6 @@ lint-flake8:
 	flake8 . --ignore D203
 
 lint-pylint:
-	-for d in $(PYDIRS); do PYTHONPATH=$(TOPDIR)/src pylint $$d/*.py; done
-	-PYTHONPATH=$(TOPDIR)/src pylint bin/rho
+	pylint */*.py
 
-lint: lint-pylint
+lint: lint-flake8 lint-pylint

README.rst

@@ -114,7 +114,6 @@ These python packages are required for the rho install machine to run rho:
  * subprocess
  * xmlrpclib
  * ansible.module_utils.basic
- * babel
 
 The following python packages are required to build & test rho from source:
  * python-devel