fix typo for tray switch
Merge pull request #6 from tlatsas/docs

Fix typo in man page
Merge pull request #7 from coldfix/fix-udisks1-race-conditions

Race condition in signal processing
Check if operation was successful before showing notifications

The DeviceJobChanged message carries no information about
success/failure of the associated job. It has to be checked via the
device object instead.
Merge pull request #8 from coldfix/erroneous-unmount-notification

Check if operation was successful before showing notifications
Call udisks.sync in cli.mount/unmount

Otherwise no devices will be found by these routines. It might be better
to integrate the sync call into the factory function. However, the most
naive implementation implies superfluous caching at startup for the
daemon.
Merge branch 'master' into udisks2

Conflicts:
	udiskie/cli.py
Fix various issues with python3

- the name lookup exception is NameError
- bytearray is the correct type to handle byte array input
- on python3 __bool__ is the replacement for __nonzero__