Added slf4j and log4j dependencies
Updated slf4j version
Added simple log4j configuration file
Added simple logging example to Bomberman.start()
Added Google Guice to dependencies
Created LogInjector annotation
Merge pull request #2 from BombasticOctocat/mr-logging-maven-configuration

Logging configuration
Created main window layout and simple controller
Added ControlsFX to dependencies
Implemended empty handlers for menu actions and exit handler with confirmation dialog