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
Merge branch 'master' of https://github.com/koush/AndroidAsync

# By Ilya Gulya (2) and Koushik Dutta (1)
# Via Koushik Dutta
* 'master' of https://github.com/koush/AndroidAsync:
  Implement AsyncHttpServerResponse.sendStream
  Fixed indentation
  Added emitEvent methods