Added a makefile for common tasks

Makefile

@@ -0,0 +1,21 @@
+help:
+	@echo ""
+	@echo "Available make commands:"
+	@echo ""
+	@echo "deps       Install development dependencies"
+	@echo "test       Run tests"
+	@echo "publish    Publish a release to PyPi (requires permissions)"
+	@echo ""
+
+deps:
+	pip install -r requirements.txt
+	pip install tox sphinx sphinx-autobuild
+
+test:
+	tox
+
+publish:
+	python setup.py register
+	python setup.py sdist upload
+	python setup.py bdist_wheel --universal upload
+	rm -fr build dist .egg requests.egg-info