delete Re:, Fwd: etc. from mail subject
strip whitespace from votes

I tried to import some mails from vorstand@, but I always get "no vote" in debug
output. However, when stripping whitespace, it works. I guess it can't be bad to
strip whitespace anyway.
Merge pull request #3 from rohieb/patch/strip-whitespace-from-votes

strip whitespace from votes