Copy various font features to output font

As we discover more font features that may need to be copied into the
output, they can be added as well.
Generate either SFD or TTF files as requested
Bugfix: return dots for all contours, not just one

A glyph with multiple contours was displaying each contour, but only
returning dot information for a single contour, because each contour was
overwriting the previous dot list. Fixed now.
Copy glyph anchor points to new glyph
Greatly increase default dot size

Smaller dots look good on the screen, but not so good when printed