Added initial welcome page used primarily at startup of the workbench.
Replaced TI SensorTag photo with illustration and updated references.
Changed sticknfind image and updated references. Added ETS illustration draft.
Set width of docs menu and the logo within. Added Google Play graphics.
Adjusted layout. Added Google Play link button.
Added Fritzing sketches. Updated arduino-led-wifi sketch to be consistent with Arduino Projects Book sketches.
Merge pull request #8 from Sionarch/master

Added Fritzing sketches. Updated arduino-led-wifi sketch to be consisten...
Updated documentation for release 0.7.0.