[python-migrate/el6/master] (2 commits) ...Merge branch 'master' into el6

[Toshio くらとみ]

Summary of changes:

  e3d1840... - Fix SQLAlchemy Requires -- need >= 0.5, not 0.6 - Update  (*)
  43040db... Merge branch 'master' into el6

(*) This commit already existed in another branch; no separate mail sent