Added case for combo v1.x PCB

official v1.1 release with gerbers. combo: default design with combin…

…ation cherry/encoder sockets to support single or dual encoder modes. combo_teensy: same as combo but for teensy 2.0. reversible: old design with reversible cherry sockets for flipping pcb over

Board is now fully reversible - two jumpers on the board allow revers…

…ing the pinout of the encoder so the PCB can be flipped, moving the encoder to the right side

Dual-encoder version with encoders on bottom row

Dual-encoder version with encoders on top row

Rerouted from v0.3, added 2x LEDs for layer indication

removed rotary encoder pull-up resistors from v0.3 in favor of intern…

…al ATmega32u4 pullups

First working release