Added logLevel to configuration.json.dist
Merge branch 'master' of github.com:AdaHeads/Alice
Added "dart" section to the temporary Bob JSON config file.
Added handling of CORS preflight requests.

No matter what the resource is, we currently return a status code of 200 and an
empty JSON document "{}".
Fixed comment bug.
Trim excess whitespace from log messages. Minor change to log output.
Got rid of redundant check for empty msg POST parameter.
Put the check for empty msg back in. The previous commit was faulty.
Added comments to methods.