Updated colors of tile items 221-250 to match map colors. More...

Includes #450 227 Dye Plant pull request.
Size changes on a number of framed items.
233 given the default pink color, as well as the proper size. It appears to be bushes of some sort. More investigation needed.
238 Pink Bulb renamed to Plantera's Bulb and given the correct size.
239 Gold Bar renamed to Metal Bar and all UV coords added.
240 renamed to Wall Deco 3x3 and all items named. Should supersede HerbertV's commit.
241,242,245, 246 similarly named Wall Deco XxY and given proper names and UV coords.
248, 249, and 250 given best guess colors as they do not appear on the game's map.