add reddit/popular endpoint
add the projections file
Move routes/error_messages into lib/
move param validator
Merge branch 'master' into reddit-endpoints
Merge branch 'master' into add-projections
tests are passing properly
fix typo in projections
add soem logging
Merge branch 'master' into reddit-endpoints
Remove logging
Merge branch 'master' into reddit-endpoints
Merge branch 'master' into reddit-endpoints
Merge branch 'master' into add-projections
add projections
Merge pull request #22 from clusterapp/reddit-endpoints

add reddit/popular endpoint
Merge pull request #23 from clusterapp/add-projections

Add projections
fix failed test
Merge branch 'master' into seeding