#30 Updated Larger Board with textures and tweaks

[Jeremy D. Monin]

This is an update to rbrooks9's patch # 1398331, Larger Board with textures and Minor UI Tweaks.

- Larger colorsquares for easier clicking for port/trade, discard, discovery card.

- Fixed exception in BoardPanel mouseovers

- Server and client both use renamed cards (soldier vs knight, etc)

- Unified-diff format, easy to apply

This patch applies cleanly to version 1.0.6.

Use with rbrooks9's "Updated Hex Images.zip" at https://sourceforge.net/tracker/index.php?func=detail&aid=1398331&group_id=103866&atid=636190

[Jeremy D. Monin]

LargerBoard code changes vs 1.0.6