Merge branch 'release/20130221' into develop
fixes display of measures with IRV (and general preference)
allows non-fully-ranked IRV ballots to be scored.
changes a log level slightly
Merge pull request #114 from haaksmash/feature/114-nicer-irv-choices

Vote: Don't require all candidates in IRV to be ranked.
bumping release version
Merge branch 'release/20130305'