First implementation of raycaster etc.
Move backwards/forward in Player class.
Less sensitive rotations
Properly display tile sprites.
Don't draw invisible entities.
Floor is layer 0, walls layer 1, ceiling layer 2.
Layer 1 tiles with tileId > -1 are walls.
Draw a black background if no wall is found (note that this should be
decided by the map XML later).
Wall/floor features for wireframe.
Removed editor.
removed editor
nothing ever wrosk
Tile Width and height set by loader.
fghfghfghfg
comment out feature thing
Some preliminary interface changes.
Minimap class
Merge branch 'master' into first-person-local

Conflicts:
	DPOC/src/Map.h
Merge branch 'master' into tmp

Conflicts:
	DPOC/src/Map.cpp
Merge branch 'master' into tmp
Playing around with numbers.
Update minimap to show entites and player dir.