hw: fixed iLed silkscreen

hw: add two small areas of unmasked GND plane for oscilloscope clip

hw: add place for owner name

hw: move parts away from pins

hw: update resistors R20-R23 value in parts_SMT.xlsx

hw: fix jst connectors drill (motor connectors) and pad size (iServo connectors), move bottom pinheads to left to make enough space for iServo connectors

hw: disconnect 3V3_EN and D11 (this connection prevents main step-down IM1 from startup)

hw: change resistors R20 - R23 valu to 2k2 (VUSB and ESP_+5V power LED resistors)

hw: change version to v1.2

Merge pull request #50 from RoboticsBrno/vel-ramp Vel ramp