typos in needspace doc

remove gmdoc because it seems broken right now :(
update version for some fun
bug fix from axel sommerfeldt
conflict with titlesec pointed out by Haruyuki Kawabe
avoid overly-large space between dots when suppressing them

thanks to Matthew Skala for his detective work on this one
version bump
work around a related problem to the nodots thing

reported by leo liu; also see
http://tex.stackexchange.com/questions/36671/why-leaders-and-mkern-works-strangely-in-different-font-size