[Buildbot] #2590: Use Alembic instead of SQLAlchemy-Migrate

[Buildbot trac]

#2590: Use Alembic instead of SQLAlchemy-Migrate
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Reporter:  dustin        |       Owner:
    Type:  project-idea  |      Status:  new
Priority:  major         |   Milestone:  0.9.+
 Version:                |  Resolution:
Keywords:  database      |
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Comment (by Dustin J. Mitchell <dustin@…>):

 In [changeset:"d830cde7a802e7613d088ac766eb3ea7443999ba"]:
 {{{
 #!CommitTicketReference repository=""
 revision="d830cde7a802e7613d088ac766eb3ea7443999ba"
 Remove Progress/ETA support.

 This is part of removing the reliance on status APIs in bug 2818.  The
 progress interface wasn't very good, anyway, and will be re-implemented
 in bug 2590.
 }}}

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Ticket URL: <http://trac.buildbot.net/ticket/2590#comment:4>
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