TEST: log=False in more places

- add log parameter to microphone, web
- trim whitespace in emulator.py
TEST: yet more log=False

much easier to find build issues in shorter logs
TEST: more log=False
TEST: minor log=False fix
TEST: log=False, with visual.Window.autoLog
TEST: FF in test
TEST: more coverage of psychopy.core
TEST: further trim log verbosity
TEST: FF in tests

- skip test_multiKeyResponses for now; passed locally but not travis-ci
Merge pull request #484 from jeremygray/master

TEST: reduce travis-ci log lines, add autoLog parameter