start of rb tree

started on red black because tree balance is so out of wack. may return
to this later...

Issue #3
red black tree in progress...

Issue #3
red black tree in progress...

Issue #3
Merge branch 'redblack' of github.com:nwbt/too-many-audio-files into redblack

Conflicts:
	RedBlackNode.cpp
	RedBlackTree.cpp
Finished Red Black Tree Insert

insert is finished for now

Issue #3
add max depth method

Issue #3
Merge pull request #9 from nwbt/redblack

Redblack