[demo01] Sorting out action and script files
Add map_get_character function

This return the character's ids on the given map tile.
Add print_text_debug LUA function
Fix potential crash
[demo01] God can now spawn flower

Flowers can spawn themselves on adjacent map square.
Update mail address
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"
LUA doesn't need trailing ";"