changelog: update styling - don't restrict styling to graph when it is all for all changelog views Be more specific when styling applies to all table#changesets or to columns in it.

babel >= 0.9.6, < 2.4
waitress >= 0.8.8, < 1.0
pytest ~= 3.0
pytest-runner
pytest-sugar>=0.7.0
pytest-benchmark
pytest-catchlog
pytest-localserver
mock
sphinx
webtest < 3