Added event bus to exchange events via feature consumer/provider
Added 3rd plugin that ues GWTP framework
added gwt-dynamic-module-gwtp plugin to appengine
* fixed initial state of included presenter widgets;
* added nested presenter widget into content one in order of GWTP;
* slightly re-factored gwt-dynamic-module-gwtp classes;
optimized gwt.xml descriptors
corrected source according to Java 7 features
corrected gwtp presenter lifecycle for included widget
* added team roles service;
* added nested widget with animated graph;
* re-factored (simplified) server side packages;