Merge pull request #125 from lance0428/master

My Android app changes to speed up initial sync
Adding MongoDB MMS agent.
Moving from MongoDB's page_loads analytics table to Redis page loads.
Fixing double counting stripe payment bug by clearing out striep purchase history when inserting.
Upping feed fetching by quite a bit.
Fixing stripe reimport
Boosting feed fetching way up for the weekend.
Cleaning up week old feeds.
Culling some graphs on feed counts.
Upgrade to postgres 9.2.
Removing unused indexes.
Turning off autocomplete for the time being.
Changing logging on feed queueing.
Returning index on active subs.
Adding two indexes and killing one unused one from feeds.
Android: show server error message to user when add feed fails. The error message was being sent when non-premium users tried to search for feeds and was causing the App to crash.