[openstreetmap-website] Oauth failing (#1037)

[Arun Ganesh]

OSM returns a 500:Application error while trying to generate an oath token from Maproulette and To-fix

![screenshot 2015-08-19 12 07 24](https://cloud.githubusercontent.com/assets/126868/9350071/dffa4b74-466a-11e5-9ac2-f86c7ca7ce74.png)

- Failing on all browsers, cache cleared
- Revoked recent Maproulette tokens in OSM settings
- OSM login works
- Request URL: https://www.openstreetmap.org/oauth/authorize?oauth_token=VCii76MMHgI0c2YGP8PR6louj6ceK7bIt02wnVaz
- Date:Wed, 19 Aug 2015 06:40:10 GMT
- Cookie:_osm_welcome=hide; _pk_ref.1.cf09=%5B%22%22%2C%22%22%2C1439836546%2C%22http%3A%2F%2Foverpass-turbo.eu%2F%22%5D; _pk_id.1.cf09=f148ceee33a52e83.1426329068.11.1439836546.1439836546.; _osm_session=d30fdcf8ff6edb45f17de8bba0df66c4; _osm_location=-122.1886%7C37.9393%7C10%7CM
- Host:www.openstreetmap.org
- Pragma:no-cache
- Referer:http://maproulette.org/


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Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/1037
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