Add basic demo code for our first algorithm
Add equals, hashCode, and toString to LineLocation, and remove final property from Submission for easier mocking
Add test cases for the Submission class
add tests for rest of existing Submission class
Add tests for LineLocation
Add unit tests and error handling for the main lineCompare demo class
Merge branch 'master' into mr-line-compare
add getName() and getNumLines() to Submission
Transition LineCompareDemo to print a matrix; it is in a working state, but the code is very messy, and some tests fail.
Merge pull request #4 from dmurvihill/mr-line-compare

Add basic line comparison algorithm and demo