[Buildbot] #3216: extraRecipients in MailNotifier should support renderable

[Buildbot trac]

#3216: extraRecipients in MailNotifier should support renderable
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Reporter:  vlovich      |      Owner:
    Type:  enhancement  |     Status:  new
Priority:  major        |  Milestone:  undecided
 Version:  0.8.10       |   Keywords:
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 The set of extraRecipients is not necessarily a hard-coded list & may
 depend on the properties of the build.  For example, if there are multiple
 codebases.

 Attached a !CustomMailNotifier (untested yet) that overrides !MailNotifier
 a bit to provide this functionality.

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Ticket URL: <http://trac.buildbot.net/ticket/3216>
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