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
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.