Recovery
Merge branch 'master' of https://github.com/RogerChern/GraphAlgorithms

Conflicts:
	MinimumSpanningTrees/IndexPriorityQueue.h

MinimumSpanningTrees/MinimumSpanningTrees.xcodeproj/project.xcworkspace/
xcshareddata/MinimumSpanningTrees.xccheckout

MinimumSpanningTrees/MinimumSpanningTrees.xcodeproj/project.xcworkspace/
xcuserdata/rogerchen.xcuserdatad/UserInterfaceState.xcuserstate
	MinimumSpanningTrees/MinimumSpanningTrees/EagerPrimMST.cpp
	MinimumSpanningTrees/MinimumSpanningTrees/EagerPrimMST.h
	MinimumSpanningTrees/main.cpp