fix issue #3 of whitespace mishandling

whitespaces are now escaped with quotes
in the shell command that builds the PDF
Merge pull request #75 from pdebuyl/fix_whitespace_path

Fix whitespace mishandling in command line
Fix typo
added papers/nicolas_fauchereau/paper.rst
Merge branch '2014' of https://github.com/nicolasfauchereau/scipy_proceedings into 2014