Panel with display(20x4) and rotary encoder

I made this for my RepRapPro Huxley with these components:
http://dx.com/p/new-arduino-rotary-encoder-pcb-board-module-red-silver-176924
http://dx.com/p/5v-iic-i2c-3-1-blue-screen-lcd-display-module-for-arduino-green-black-232993
Before buying the display, it's a bit weird connected so you need to hack most libraries to get it working.