Update myLuaIDE.lua

Move tools path setting to the file top for easier modification
wxLua_path = "C:\\wx\\wxLua\\bin\\wxLua.exe"
Python_path = "C:\\Python27\\python.exe"
SDCC_path = "C:\\tools\\SDCC\\bin\\sdcc.exe"
NodeJS_path = "C:\\tools\\nw\\nw.exe"