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
Corrected 2014 submit date
Merge pull request #79 from jjhelmus/master

Correct 2014 submit date
Mention how to build full proceedings
Merge remote-tracking branch 'origin/master' into 2014
Allow math directive to have math on same line
Alias code-block directive to code
Merge branch '2014' of https://github.com/scipy-conference/scipy_proceedings into 2014
hoping the code to generare PDF is fixed