Adding a note to UPGRADE.txt about a change made to res_agi in order to
indicate when streaming an audio file fails like it is done in other parts
of the code to indicate an error.

Note was requested by Paul Belanger: 
http://lists.digium.com/pipermail/asterisk-dev/2013-July/061420.html

(related to issue ASTERISK-21903)
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Merged revisions 396196 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 396197 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@396198 f38db490-d61c-443f-a65b-d21fe96a405b
Change "from" to "From".

(related to issue ASTERISK-21903)
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Merged revisions 396199 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@396200 f38db490-d61c-443f-a65b-d21fe96a405b
Add AMI registration events for PJSIP outbound registration attempts

This patch adds AMI events whenever an outbound registration attempt succeeds
or fails from res_pjsip_outbound_registration. This brings it inline with
the existing SIP channel driver and IAX channel driver.

Review: https://reviewboard.asterisk.org/r/2729/



git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@396201 f38db490-d61c-443f-a65b-d21fe96a405b