Handle invalid import file argument in both launch cases (single-profile and multi-profile launch) (#924)
Merge pull request #37 from hans/patch/924

Handle invalid import file argument in both launch cases (single-profile...
don't send old backups to the trash (#912)
fall back on regular delete on broken recycle bin (#926)
fix graph regression caused by div changes (#913)
keep scanning csv until we find non-zero field count (#920)
don't bug out if cloze:text is invalid (#925)
allow urllib2 to be passed unicode data to send (#923)
Merge remote-tracking branch 'upstream/master'