Delete unneeded files
Add .gitignore to ignore backup files
Add missing junctions to schematic
Board cleanup

* Removed traces to nowhere
* Made all vias round
* Optimized some traces to remove vias
* Made better connections to SMT pads
* Connected missing ground on compass
Add supply symbols, didn't fix board
Added power and decoupling caps to schematic
Connected BOEn to GND
Routed some power and decoupling caps
Merge pull request #1 from amatus/master

My work so far