setup.cfg cleanup + only run coveralls on py27

.travis.yml

@@ -42,7 +42,11 @@ before_script:
 script:
 - tox -e $(echo py$TRAVIS_PYTHON_VERSION-mg$PYMONGO | tr -d . | sed -e 's/pypypy/pypy/') -- --with-coverage
 
-after_script: coveralls --verbose
+# For now only submit coveralls for Python v2.7. Python v3.x currently shows
+# 0% coverage. That's caused by 'use_2to3', which builds the py3-compatible
+# code in a separate dir and runs tests on that.
+after_script:
+- if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then coveralls --verbose; fi
 
 notifications:
   irc: irc.freenode.org#mongoengine

setup.cfg

@@ -1,10 +1,7 @@
 [nosetests]
-verbosity = 2
-detailed-errors = 1
-cover-erase = 1
-cover-branches = 1
-cover-package = mongoengine
-tests = tests
+verbosity=2
+detailed-errors=1
+tests=tests
 
 [flake8]
 ignore=E501,F401,F403,F405,I201