Remove spaces before ? in docs

For some petty reason, the spaces before the question marks in the titles of
the readme were bothering me. I figured I'd fix them and while I was at it,
I greped the .txt docs.

http://english.stackexchange.com/questions/4645/is-it-ever-correct-to-have-a-space-before-a-question-or-exclamation-mark
Merge pull request #23 from captbaritone/space-questionmark

Remove spaces before ? in docs