Several updates

General code and comment cleanup
Added new tileset
Removed old tileset
Added new map (maps beginning with "t" are testing maps) "t_map01)
Removed old maps
Added "newline" end on "level.lua"
Removed "arg debug" comment from "main.lua"), not used and looks ugly
Enhancement:
Automatically take tile size from the map (map.tileheight)
Removed manual tile size entering
Major updates
Added "findTiles.lua" - function to find event tiles
Added "screenWidth" and "screenHeight" to "level.lua"
Added "findTiles()" function to "love.load()"

Removed "for" loop from "love.load()" (moved to "findTiles()")

Updated "t_map01" for testing "start" tile
Updated "player.lua" to grab player initial position from "start" tile
Added "newline" at end of several files
Added window title "game_mechanics"
Added several comments

Updated "findTiles()" function to find "event_layer"

Removed in-use code from "unused_functions.lua"
Added trap to "t_map01"
Added debug tiles for trap position
Added trap collision detection and resolution
Added "start" teleport key

Updated "findTiles()" function to find trap
Updated player jump condition to need "standing" instead of not needing "jumping" or "falling"
Updated "trapTileGX" and "trapTileGY" to "trapTileGridX" and "trapTileGridY"
Updated "t_map01" to test trap collisions
Updated "player.actX" to floor level instead of spawning then dropping
Added camera X (left side) limit
Added camera limits to all sides of screen