function to find all topics posted by a user
functions to score comments based on rage/logic votes
functions to compute opinion logic/rage score.
scoring functions for arguments and topics
views for top 10 logical/rage-inducing topics

closes #5, closes #4, closes #2
tweak scoring functions
index arguments ordered by startdate

closes #1
queries on users

closes #3, closes #2
Merge pull request #6 from murphyslaw480/ryan

some queries, views, and functions