update development resources

fix tox to test examples again
add detox tox env for faster testing
clean up makefile, add tox target
add extra group for installing dev requirements
clean up contributing doc, build with docs
expand issue template
add pull request template

Makefile

@@ -1,14 +1,28 @@
-.PHONY: clean-pyc ext-test test tox-test test-with-mem upload-docs docs audit
+.PHONY: all install-dev test coverage cov test-all tox docs audit release clean-pyc upload-docs ebook
 
-all: clean-pyc test
+all: test
 
-test:
-	pip install -r test-requirements.txt
-	tox -e py-release
+install-dev:
+	pip install -q -e .[dev]
 
-cov:
-	pip install -r test-requirements.txt -q
-	FLASK_DEBUG= py.test --cov-report term --cov-report html --cov=flask --cov=examples tests examples
+test: clean-pyc install-dev
+	pytest
+
+coverage: clean-pyc install-dev
+	pip install -q -e .[test]
+	coverage run -m pytest
+	coverage report
+	coverage html
+
+cov: coverage
+
+test-all: install-dev
+	tox
+
+tox: test-all
+
+docs: clean-pyc install-dev
+	$(MAKE) -C docs html
 
 audit:
 	python setup.py audit
@@ -16,9 +30,6 @@ audit:
 release:
 	python scripts/make-release.py
 
-ext-test:
-	python tests/flaskext_test.py --browse
-
 clean-pyc:
 	find . -name '*.pyc' -exec rm -f {} +
 	find . -name '*.pyo' -exec rm -f {} +
@@ -40,6 +51,3 @@ ebook:
 	@echo 'Requires X-forwarding for Qt features used in conversion (ssh -X).'
 	@echo 'Do not mind "Invalid value for ..." CSS errors if .mobi renders.'
 	ssh -X pocoo.org ebook-convert /var/www/flask.pocoo.org/docs/flask-docs.epub /var/www/flask.pocoo.org/docs/flask-docs.mobi --cover http://flask.pocoo.org/docs/_images/logo-full.png --authors 'Armin Ronacher'
-
-docs:
-	$(MAKE) -C docs html