PyPi: prepare sources for packaging

Additions:
- [makefile] setuptools bdist_wheel target
- [makefile] twine upload targets (pypi, pypitest)
- [setuptools] setup.cfg configuration file

Modifications:
- [git] add .gitattributes
- [readme] switch from Markdown to RST
- [requirements] group all files as requirements/<req>.txt
- [setuptools] include example resources

Signed-off-by: VirtualTam <virtualtam@flibidi.net>

.gitattributes

@@ -0,0 +1,8 @@
+# Set default behavior
+*       text=auto eol=lf
+
+# Ensure sources are processed
+*.cfg   text
+*.ini   text
+*.py    text diff=python
+*.rst   text

.travis.yml

@@ -3,6 +3,6 @@ python:
   - 3.4
   - 2.7
 install:
-  - pip install -r tests/requirements.txt
+  - pip install -r requirements/tests.txt
 script:
   - make

Makefile

@@ -3,7 +3,7 @@ NPROC := $(shell nproc)
 PYTHONFILES := $(shell find . -not -path "*build*" -not -path "*.tox*" -name '*.py')
 
 .PHONY: clean distclean
-all: lint basic_coverage sdist build
+all: lint coverage sdist build
 
 clean:
 	@rm -rf build dist
@@ -19,9 +19,19 @@ sdist: clean
 build: clean
 	@python setup.py build
 
+bdist_wheel: clean
+	@python setup.py bdist_wheel
+
 install: build
 	@python setup.py install
 
+# pypi
+twine: sdist bdist_wheel
+	@twine upload dist/* -s
+
+test_twine: sdist bdist_wheel
+	@twine upload dist/* -s -r pypitest --skip-existing
+
 # static analysis
 lint: isort pep8 pep257 pylint
 
@@ -38,12 +48,12 @@ pylint: clean
 	@pylint -j $(NPROC) $(PYTHONFILES)
 
 # testing
-basic_coverage: clean
+coverage: clean
 	@echo "=== Coverage ==="
 	@coverage run --source=$(PACKAGE) -m unittest discover -s tests
 	@coverage report
 
-coverage: clean basic_coverage
+coverage_html: clean coverage
 	@rm -rf htmlcov
 	@coverage html