Expand Table API so that you can call addComponent(row, col, component) in addtion to using
the constructor argument. Add unit tests.
Remove the NullComponent, and check constructor name instead
Remove redundant padTableToSize call, and add another unit test
Reorder the tests
Merge pull request #133 from palantir/refactor-table-api

Expand Table API so that you can call addComponent(row, col, component) ...