[openstreetmap-website] Update INSTALL.md (#924)

[Yos Riady]

Updated Installation Instructions at INSTALL.md on resolving a Postgres setup error.
You can view, comment on, or merge this pull request online at:

  https://github.com/openstreetmap/openstreetmap-website/pull/924

-- Commit Summary --

  * Update INSTALL.md

-- File Changes --

    M INSTALL.md (14)

-- Patch Links --

https://github.com/openstreetmap/openstreetmap-website/pull/924.patch
https://github.com/openstreetmap/openstreetmap-website/pull/924.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/924
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20150306/ac121e6e/attachment.html>