Merge pull request #7 from Blackmoor/test-Tyler

Updated and ready for release!!
Variety of fixes

Use z-axis of cards on table to work out which pile under a card is the
most appropriate one
Sunken Treasures has a special end condition (defeating the villain is
not enough)
Ensure all ship options have suitable showIf logic
Ensure cards banished from plunder pile are actually banished, not just
returned to the box
Change the way plunder is added to a ship (2 fns, 1 to roll, 1 to add)
Merge pull request #8 from Blackmoor/test-Tyler

Minor spreadsheet fixes
Moved iconics image files from the game dev to o8c file

Jirelle and Oloch are not in the Paizo iconics image pack yet.
Created pngs using photoshop.
Check for game over

when all locations are closed
Merge pull request #9 from Blackmoor/master

Copying back to my test version