Insert comments into PS, EPS, and SVG exports for paths.

Place markers in the exported vector graphics files marking
where paths are. This makes it easier to track down what
path is being drawn.

Change-Id: Id8582cc2bcb33c2afca6db545f4048c3b8ad1ad0
Add a setting for GL2PS export of painter renderings.

Change-Id: I7783f1c7d3cb58ec5f53c6b28ce6970f9034cd54
Merge topic 'gl2ps-presets' into master

13c6f1ca Add a setting for GL2PS export of painter renderings.
bcf03bc8 Insert comments into PS, EPS, and SVG exports for paths.