East India Company: Privateer - Patch 1

Patch notes:

- escaped ships still on map bug fixed
- combining fleets bug fixed
- island level fix
- installer creates Cache-folder now
- in quick battle player won't sometimes start next to the fort anymore
- surrender popup added
- welcome-speech added
- experience from trading now gained
- portview-map port position fixes
- ship selling price now shown in the sell-popup