updated support settings

Changed support_type from GRID to LINES.
Updated the retract_before_travel to be 20 for all builds.
Made multi extruder temps get read correctly.
Signed the arduino inf and made our installer install it.
Making the arduino installers go through the new signed installer.
Merge branch '1.1.4' into development
Merge pull request #99 from Brictone/patch-3

updated support settings
Updated Top Solid Layers again to 8
Merge pull request #104 from Brictone/patch-4

Increaseed Top Solid Layers again to 8
Added in a TAURINO inf for robo 3d.
Made support for installing multiple .inf s for a printer.
call it the right way
Use it from the default path if found.
Make sure we are always working with complete paths.
Push the drivers into a temp dir as you can't install them from the program files dir.
Merge branch '1.1.4' into development
Moving slice settings properties file to json to make it easier to add in preset lists.
Did some work to show a minimal slice settings page.
Fixed thumbnail rendering issue on Linux
Did a bit more work to prove out the settings design.
Merge pull request #106 from gregory-diaz/development

Fixed thumbnail rendering issue on Linux
Made the return to position on un-pause also work for user request pause from click 'Pause' button.
Set the extruder speed to something reasonable