initial commit for DijkstraAlgorithm
backup before implementing priority queue
backup before modifying calculate shortest path
backup before remove pointers in containers

	new file:   DijkstraAlg.cpp
	new file:   Makefile
	modified:   src/Graph.h
	modified:   src/PriorityQueue.h
	modified:   src/ShortestPathAlgo.h
	modified:   test/Graph_test.cpp

	new file:   DijkstraAlg.cpp
	new file:   Makefile
	modified:   src/Graph.h
	modified:   src/PriorityQueue.h
	modified:   src/ShortestPathAlgo.h
	modified:   test/Graph_test.cpp
final version for submission 11/4

	modified:   DijkstraAlg.cpp
	modified:   src/Graph.h
	modified:   src/PriorityQueue.h
	modified:   src/ShortestPathAlgo.h
	modified:   test/Graph_test.cpp
backup for reading from file graph object
backup for Node struct hiding

	modified:   src/Graph.h
	new file:   src/MinSpanTreeAlgo.cpp
	new file:   src/MinSpanTreeAlgo.h
	deleted:    src/MinSpanningTree.cpp
	modified:   src/PriorityQueue.h
	modified:   src/ShortestPathAlgo.h
	modified:   test/Graph_test.cpp
	modified:   test/MST_test.cpp
backup for the complete loop detection
initial commit before modifying MinSpanTreeAlgo to template
Backup after finishing template work of MinSpanTreeAlgo
backup for completing initial design
finish initial hexboard interactive interface design
Complete MST algorithms
backup initial drafting of simulation
backup for the further improvement
finish fill up in simulation
12/2 backup
before separating template implementation
12/13 backup
12/17 backup before updating template