use flags in run command, closes #17
upate google api client
Fix flags for CLI use, @aepton had this right and I screwed it up.
clean up message and delay directory creation until after google docs rigamarole
Fix default email bug
add work-in-progress manual spreadsheet creation instructions to new project docs
Remove Mercurial from system requirements, we don't need it now that pip version of google-api-python-client incorporates a bugfix.
repeat caveat
reformat automatic creation section to indicate it is wonky