Use more concise find_by
Make method more concise
Strip insignificant zeros from figure
Show the number of times a member was teller
Add test for free vote teller display under Interesting Votes
Show free teller on Interesting Votes like PHP does. Fixes #152
Extract method
Little refactor. I think this makes more sense now
Merge branch 'issue152' into test

Conflicts:
	rails/app/views/members/_summary.html.haml
	rails/spec/requests/members_controller_spec.rb