Working on graphs
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/main/java/com/shaunabram/datastructures/graph/Graph.java
	src/main/java/com/shaunabram/datastructures/graph/Node.java
Merge remote-tracking branch 'origin/master'
Graphs: implemented BFS & isConnected
pom update
reorg of graph bfs package names
Added BinaryTree isBalanced implementation, but is incorrect!
New BinaryTree isBalanced in progress