Added emitEvent methods

Added emitEvent methods, used to emit events without arguments.
Fixed indentation

Changed tabs to spaces
Merge pull request #80 from IlyaGulya/feature

Added emitEvent methods
Implement AsyncHttpServerResponse.sendStream
AsyncHttpServerResponse: Handle HEAD requests.
Add support for content type setting in MultiPart
Merge remote-tracking branch 'koush/master' into cm-11.0
Add functions for getting the logging.

Change-Id: Ia12708f66e5ea7efb7ed889d0e924653f8d2fa44
Merge remote-tracking branch 'koush/master' into cm-11.0