Remove "Strip EggBot Data" extension

functionality moved to "manual" tab of EggBot Control extension.

Revise pen up/down handling. Add explicit resolution setting

Hatch: Correct bug with nonzero gap length, add live preview.

Close evil-mad#32

Bump version prior to packaging with Pyserial 2.5

Fix for MacOS 10.11.1 serial timeouts

Version bump for clarity (2.6.1

Version 2.6.0

* Update to pyserial 2.7.0. Closes evil-mad#17.
* Add support for multiple motor resolutions. Closes evil-mad#18.

Update Windows install script

Look for Inkscape in Program Files, and then in Program Files (x86) if
not found. Give error if Inkscape not found at all.

Add StippleGen and TSP art tools