Added TileInfo class extending JPanel
Removes the approximate pixelToTile method, only keeps the accurate one. Other minor tweakings
Comments describing attributes of HexagonalMap class
Rewrites the method the pixelToTile method in the HexagonalMap class, to make it more legibible, improves legibility and code-reuse in other places. Fixes an odd/even check that was wrong.
Merge branch 'release/0.0.1'