Update to 2.0.18:

Update to 2.0.18:
    Fix a bug that could cause invalid scheduling when a card was
    manually buried while in a filtered deck. For now, burying in
    a filtered deck will mean that the card returns to the home
    deck.
    Fix an issue where Anki was failing to start if prefs.db was
    corrupt.
    Don窶冲 create a .log file when exporting files.
    Rotate log files when they hit 10MB.
    Warn user when they have filenames with an invalid encoding.
    Fix a long error being shown when syncing without a net connection
    on some Linux computers.
    Update "check database" to catch an issue with note types.
    Fix issues on some Linux systems that had simplejson installed.
    Fix some issues that were masking actual connection errors.
    Catch more temp folder issues.
    Possible fix for OSX crash when editing.


(wiz)