app_meetme: Refactor manager events to use stasis

(closes issue ASTERISK-21467)
Reported by: Matt Jordan
Review: https://reviewboard.asterisk.org/r/2564/


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@390848 f38db490-d61c-443f-a65b-d21fe96a405b
res_parking: Automatically generate extensions, hints, etc.

(closes issue ASTERISK-21645)
Reported by: Matt Jordan
Review: https://reviewboard.asterisk.org/r/2545/


git-svn-id: http://svn.asterisk.org/svn/asterisk/trunk@390849 f38db490-d61c-443f-a65b-d21fe96a405b