Term stability calculation in castVote()
SeaIceConnector.classifyTerm()

Running a test.
A little cleanup
replaced Terms.score with Terms.up, Terms.down
sea --classify-terms

I'll set up a script on Heroku to run this every half hour.
sea --set-reputation -u
castVote() recalculate consensus in O(1)

Test.
updateUserReputation() in O(1)

Triggers recalculation of consensus and stability. Various code
clean ups in SeaIceConnector.
added stable and volatile listings
Clean up of SeaIceConnector