apps: Spelling fixes

Correct typos of the following word families:

simultaneously
administrator
directforward
attachfmt
dailplan
automatically
applicable
nouns
explicit
outside
sponsored
attachment
audio
spied
doesn't
counting
encoded
implements
recursively
emailaddress
arguments
queuerules
members
priority
output
advanced
silencethreshold
brazilian
debugging
argument
meadmin
formatting
integrated
sneakiness

ASTERISK-29714

Change-Id: Ie5ecaec91c00b26309da4e51cfc0991a5bb7d092