Documentation Additions

Put all of your changes to files with missing documentation here!

[Kieren]

• GameResources: Added a summary and explanations for the purpose of many methods.
• AttackResult: Existing comments have been improved and completed.
• Player: Added small explanations for some methods.
• ShipName: Added a summary.
• TileView: Literally just fixed a single spelling mistake in the summary.

[Ewen]

• AIMediumPlayer: Added summaries for some variable setups.
• GameController: Added summaries for some methods.
• HighScoreController: Corrected keycode references, Added a handful of comments, Corrected some spelling.
• Ship: Added some summaries.