readme update for postgres setup
git remote add upstream documentation
Merge pull request #136 from dklounge/master

added some clarification to readme
Fix caching of photo descriptions
Merge pull request #141 from robotmay/bugfixes

Fix caching of photo descriptions
Start retrieving camera orientation from uploads
Remove intercom support
Merge pull request #142 from robotmay/bugfixes

Store camera orientation in metadata
Merge pull request #143 from robotmay/remove-intercom-support

Remove intercom support
Scores decrement automatically after 2 days

Automatically reduce the score 2 days after it's incremented. This should
improve the speed at which the Recommended section changes.
Merge pull request #144 from robotmay/score-adjustments

Scores decrement automatically after 2 days