Merge pull request #33 from snhack/ci

Continuous Integration
Merge pull request #34 from snhack/ci

Continuous Integration
"auto build"
Move SMT components into own module

- Refine some component measurements
Remove no longer needed clearance box
Add positions for power and status LEDs
Use switch position from Sparkfun Pro Mini
Colorising batteries..
(my OpenSCAD isn't a fan of "gold")
Flip the alternate batteries
More regular layout of sandbox models
Use centre line along y as datum for SMT components
Actual batterypack vitamin
Whitespace fixes for MicroUSB vitamin
Adjust header spacer and reset button colours
Merge pull request #35 from snhack/arduinopro-vitamin

Add LED positions
Undo transparency of microusb connector
Merge pull request #37 from snhack/arduinopro-vitamin

Undo transparency of microusb connector
Empty SlideSwitch vitamin and sandbox files
Basic model of a single switch with assumed values
Merge pull request #38 from snhack/slideswitch

Slide switch