Include UFO door opening cost in path preview
Resize and keep aspect ration

Only OpenGL mode has been taken into account.
New options:
keepAspectRatio, boolean
cursorInBlackBandsInFullscreen, boolean
cursorInBlackBandsInWindow, boolean
cursorInBlackBandsInBorderlessWindow, boolean
Keep aspect ratio with no OpenGL

Now the "keep aspect ratio" feature functions even when OpenGL is not employed.
Stop trying to access tiles off edge of map
Abort hit checks as soon as tile is out of map
Move ai action limit check

.. to prevent possiblity of ai moves completing during player turn.
Fixed compilation error on GCC
Fixed "Battlescape/Map.cpp:89:59: error: incomplete type 'OpenXcom::Screen' used in nested name specifier'"
Merge pull request #623 from winterheart/fix-compile-gcc

Fixed compilation error on GCC
Separate conversion from tallying
2-line fix for edgescrolling in Battlescape.

When scrolling diagonally and sliding the cursor to a straight
lateral scroll, the vertical component wasn't negated
Code cleanup
Moved ruleset documentation to wiki
Fixed Dutch language bugs
Added estimates for craft repairing/refueling
Typo
Fixed bug #234 - HWP Fusion Bombs take up 10x the store space they should
ARM fixes
Added auto shots to ruleset.
Merge pull request #625 from kevL/edgescroll_fix_kL

2-line fix for edgescrolling in Battlescape.
Merge pull request #621 from cfailde/overlap

Move ai action limit check