Merge pull request #72 from AustinChou/master

Improved some graph method
Remote user specific files from the tree.
Extract specs for Sorting Algorithms into a separate file.

- Also add naive bubble sort to accompany its improved version already
  present in EKAlgorithms.
Merge pull request #73 from stanislaw/master

Extract specs for Sorting Algorithms into a separate spec.
Remove xcuserdata
Remove more user-specific data
Re-add specs into the proper Specs/ directory
Include xcuserdata again
Minor changes in spec suite
Recreate xcode project again
Try as dependency
Revert to previous state without dependent target
gitignore xcuserdata
Remove xcuserdata
Fix relative path to EKAlgorithms
Try correct relative paths
Correct order of folders
Better -[NSArray hasDuplicates]
Merge branch 'master' of github.com:AustinChou/EKAlgorithms

Conflicts:
	EKAlgorithmsApp/EKAlgorithmsApp.xcworkspace/xcuserdata/Yifei.xcuserdatad/UserInterfaceState.xcuserstate
	EKAlgorithmsApp/EKAlgorithmsApp.xcworkspace/xcuserdata/Yifei.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist