Raspberry PI Model B+ case - with fan/vents

Files ending in new:
-removed exhaust fan port
-added passive vent in top
-added clips to hold lid on
-added alignment posts to keep straight
-increased most openings for ports/sdcard

remix of thing:396858

-Added fan exhaust slot for eeepc 901 fan
-added vent holes on base for inlet.
-ethernet port modified to show LEDs

Note:
Mount enclosure upside down to make use of air intake over ram on raspberry PI 2, OR place rubber stoppers on base to raise the case up to let air in.

USB ports had to be slightly sanded down to work properly on mine