coala_quickstart: Fix errors due to logging
coala_quickstart: Fix errors due to logging

Configures the stream handler of the `logging` module
to be `stdout` to avoid ``ValueError`` while writing
to the log stream.

Fixes https://github.com/coala/coala-quickstart/issues/143

coala-analyzer/coala-quickstart,coala-analyzer/coala-quickstart,MalkmusT/coala-quickstart,MalkmusT/coala-quickstart