COFC overview edge buffer changed to 1/6th of height
Tiltzoom changed to get angle relative to fixed ground
Camera zoom centering drift adjusts for target height
Initial overhead view now works for engine 98
Merge branch 'master' into cofc_tiltzoom_monotonicity
Larger ecoview income size; better numerical view

Increased default income size because unlike in earlier versions this widget no longer obscures things beneath its overlay.

Added a + before numerical income and now draw a metal bar at the center of the metal spot when numerical view is active to better communicate their use to new players.
Fixes #266, typos and improves response-time to emp/disarm.
Zoomout and scroll fixes

* Zoom out from cursor stops properly at max y
* Scroll fixed to not correct zoomtilt angle unless zoomtilt is on
Fix zoom out from center zoomtilt angles
new reef model WIP; old kept for comparison
add drone defs for dark reef
unit_carrier_drones: notify unitscript of drone creation events
add some extra empty pieces
dark reef script
Initial setup for minimap scaling on zoomout
Fix Crude player list to handle 2p on FFA properly
Merge pull request #322 from dvr333/crude_ffa_fix

Fix Crude player list to handle 2p on maps with FFA startboxes properly
Merge pull request #320 from dvr333/cofc_tiltzoom_monotonicity

COFC zoom polish
Merge pull request #318 from Skasi/patch-6

Larger ecoview income size; better numerical view
Merge pull request #319 from Skasi/master

Fixes #266, typos and improves response-time to emp/disarm.