Simplify UUID generation in several places.

Replace code using ast_uuid_generate() with simpler and faster code using
ast_uuid_generate_str().  The new code avoids a malloc(), free(), and
copy.
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git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@424105 f38db490-d61c-443f-a65b-d21fe96a405b
autosupport: Fix bashism.

'==' is bashism (bashspecific, fails when dash is /bin/sh). Anyway, a
'case' works better there.

Originally committed in r375059 and r375060 on 2012-10-16 21:13:08.

ASTERISK-20567 #close
Reported by: Tzafrir Cohen
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Merged revisions 424117 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 424125 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@424126 f38db490-d61c-443f-a65b-d21fe96a405b
pjsip_cli: Suppress header print on error or no objects

If there's an error on the pjsip command line or there are no objects, don't
print the column headers.

ASTERISK-24350 #close
Reported-by: Brad Latus
Tested-by: George Joseph
Tested-by: Brad Latus

Review: https://reviewboard.asterisk.org/r/4025/
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Merged revisions 424128 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/13@424129 f38db490-d61c-443f-a65b-d21fe96a405b