Updates to user manual and arrow tutorial for new arrow color lenses and other changes#41

Merged

bergey merged 2 commits intomasterfrom arrow-attr-lenses

Nov 16, 2013

+39-24

Commits on Nov 14, 2013

update manual for new arrow color lenses
Brent Yorgey
committed
add lw to example, now that ambient line width affects the shaft
Brent Yorgey
committed