Introduce new classes for re-work

+ ConsolePrinter handles rendering the sorting data to the terminal
+ Observable implements a very simple implementation of the observer pattern
+ Sorter extracts out the simple initialization needed for all sorting classes
Rework bubble and selection sort in new approach
Add insertion sort implementation
Add quicksort implementation
Update README
Merge pull request #1 from keelerm84/master

Code Rework and Introduction of Two New Algorithms