COMMIT 3/10/14
	modified:   New_ER/Makefile
	new file:   New_ER/header/Model.h
	modified:   New_ER/header/Solution.h
	modified:   New_ER/header/TestBB.h
	modified:   New_ER/source/BalayageProblem.cpp
	modified:   New_ER/source/Function.cpp
	modified:   New_ER/source/Interval.cpp
	modified:   New_ER/source/LinearFunction.cpp
	new file:   New_ER/source/Model.cpp
	modified:   New_ER/source/Piece.cpp
	modified:   New_ER/source/Problem.cpp
	modified:   New_ER/source/Segment.cpp
	modified:   New_ER/source/SegmentProblem.cpp
	modified:   New_ER/source/Solution.cpp
	modified:   New_ER/source/Task.cpp
	modified:   New_ER/source/TestBB.cpp
	modified:   New_ER/source/main.cpp