spelling fixes

https://github.com/jsoref/logwatch-mirror/compare/master...spelling?expand=1

The vast majority of these changes are in comments...

One is a bug fix:
* IgnoreUnmatched

Some are variable renames:
* suppress_ignores
* ExitUnsuccessful
* LvlProtocol*
* TotalLength
* MailScan_VirtualHost
* Connect
* GetBackupList
* diskfull_threshold

Some are fixes to people's names
-- I do this when multiple spellings appear in the corpus. I can't
guarantee I'm correct (although on average I probably am)

Some are changes to output

I tried very hard not to change the parsing of log entries here.
But as a warning, I'm actively going through projects and fixing their
logging, which means you will probably have to tolerate more
correct/incorrect spellings in the future (beyond just incorrect
spellings).

I'm not sure about this change:
@@ -5257,7 +5257,7 @@ sub expand_bare_reject_limiters()
# don't reorder the list of limiters. This breaks --nodetail followed by a
# bare reject such as --limit rejectrbl=10. Reordering is no longer necessary
# since process_limiters was instituted and using the special __none__ pseudo-
- # limiter to indicate the position at which --nodefailt was found on
the command
+ # limiter to indicate the position at which --nodefault was found on
the command

It's possible it should be --nodetail
--but please forgive me for guessing wrong.

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