added big scene segmentation code and modified the structure of the project
Merge branch 'master' of https://github.com/sunwaylive/proactive-learning-on-scenes

Conflicts:
	Scene_graph/Scene_graph/Scene_graph.vcxproj
	Scene_graph/Scene_graph/Scene_graph.vcxproj.filters
	Scene_graph/Scene_graph/main.cpp
deleted useless files
modified some configuration file