support lua 5.2
replace lua_open
Fix Pixman/SoftBitmap BMP handler (fixes #56). Pointer arithmetic fail...
Merge pull request #84 from take-cheeze/lua52_support

Lua5.2 support
Merge pull request #56 from Ghabry/development

Tileset Bug (SDL/Pixman BMP handler broken)
Remove file size check in BMP header
Background of a system graphic is not transparent.
Merge pull request #85 from Ghabry/development

Remove BMP size check and remove transparency from system bg
Add shinonome sources.
Check for pkg-config, pixman, freetype, png and jpeg, remove sdl_image and sdl_ttf.
Add shinonome sources.