DevEnableTech now displays from all factions
remove map Brimstone
remove Year 501

closes #6447
don't play Battle Control Initialized during FMVs
Fixed RepairBridgeOrderTargeter & hut logic - it now ignores dangling bridges & rejects bridges under repair

	Closes #4354
fixes crash in minimap generator for some of maps
Merge pull request #6789 from atlimit8/FixRepairBridgeOrderTargeter

Fixed RepairBridgeOrderTargeter & hut logic - it now ignores dangling bridges
Merge pull request #6861 from ihptru/utility-fix

fixes crash in minimap generator for some of maps
Clean up some chars.
Merge pull request #6866 from Phrohdoh/filecleanup

Clean up some chars.
Merge pull request #6689 from huwpascoe/alltech

DevEnableTech now displays from all factions
Merge pull request #6843 from Mailaender/unpolished-map-cull

Removed maps with visual problems
Merge pull request #6848 from Mailaender/fmv-sound-polish

Fixed sound overlapping with full motion video clips
Add support for per-tile minimap color and height/ramp type.
TileSet cleanups.
Rename TileTemplate -> TerrainTemplateInfo.
Load tmp(ts) ExtraData for cliffs etc.
Work around the undesired R8 terrain sprite offsets.
Convert TS terrain height, ramp, and minimap colors.
Introduce TerrainTemplatePreviewWidget.