Added sails migrate to Roadmap again

ROADMAP.md

@@ -50,4 +50,4 @@ The backlog consists of features which are not currently in the immediate-term r
  Support for multiple blueprint prefixes         | [@mnaughto](https://github.com/mnaughto)           | https://github.com/balderdashy/sails/issues/2031
  SPDY protocol support                           | [@mikermcneil](https://github.com/mikermcneil)     | https://github.com/balderdashy/sails/issues/80
  Sockets hook: drop-in Primus alternative        | [@alejandroiglesias](https://github.com/alejandroiglesias) | https://github.com/balderdashy/sails/issues/945
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+ Have a `sails migrate` or `sails create-db` command | [@globegitter](https://github.com/Globegitter) | For production environments it would be nice to have a save/secure command that creates the db automatically for you