Removed Unity preview window from NSSEditor. Working on implementing editor functionality, specifically the preview.

Signed-off-by: Ken 'Minalien' Murray <minalien@gmail.com>
Finished implementing NSS Editor visualization of nodes with labels. Added "Marker" resource file. Actual editing of nodes is still a work-in-progress.

Signed-off-by: Ken 'Minalien' Murray <minalien@gmail.com>
Merge pull request #8 from Minalien/master

Completed visualization component of NSS Editor.