Finding duplicate files

Sorry this has taken so long, but I’m still not sure I’m committing it
right.  Let’s see if it works.
Gui Commit

Remade the basics of the GUI using the intellij gui editor.  Nothing is
functional yet.
Merge pull request #2 from BenBurum/File-Duplicate-Branch

Finding duplicate files
Added an interface, NavigationalFileManager now implements FileManager
Deleting outdated files.
simple edit
NavigationalFileManager methods now synchronized
Removing files from .gitignore
Merge pull request #5 from BenBurum/File-Duplicate-Branch

File duplicate branch Eric's branch merge
Attempting to merge BenBranch into master
Merge remote-tracking branch 'origin/BenBranch'

Conflicts:
	.gitignore
	burum-brown/src/main/java/com/agile/findduplicates/FinderPanel.java
	burum-brown/src/test/java/com/agile/findduplicates/FileTest.java
Merge branch 'master' into BenBranch
Lots of changes.  Hopefully this will work