Second revision of the RF Test board.

Changes:

1. 50Ohm trace width tweaked to 23mil (not so important since we will specify controlled impedance.)
2. SMA footprint changed to accomodate 0.25" SMA connectors and present less of an impedance bump
3. vias moved out of u.FL pads
4. L1 silkscreen removed
Updated BoM

Updated the BOM to include Johanson RF passives.
RF-Test-2 Gerbers

Changed traces to 25mil, generated RF-Test-2 gerbers.
Updated BOM

Reverted back to 1/10W resistors, updated 3 ceramic capacitors with
approved substitutes based on lead time and availability.
Further BoM Corrections

Updated 22Ohm P/N and last edited date
Removed vias in voltage regulator pad, resolved Issue #34
Moved vias out from under the u.FL connector
Merge branch 'dev' of github.com:sprk/core into dev
Updated Core BOM and Stencils
Fixed power plane
Merge branch 'dev' of github.com:sprk/core into dev
Updated gerbers
Updated BOM

Updated all capacitors and resistors to reflect components purchase.
undo PCB move
merging branch to undo previous PCB move
added diode, maintained changed RGB LED footprint, moved the PCB
Via tweak to pass DRC
Moved silkscreen on headers to bottom layer
Created pi network
0402 components