[maven-release-plugin] prepare release kiji-scoring-0.12.0
[maven-release-plugin] prepare for next development iteration
EXP-420. Update to scala 2.10

issue: https://jira.kiji.org/browse/EXP-420
review: https://review.kiji.org/r/1708
SCORE-166. Create ScoreFunction that scores PMML models.

issue: https://jira.kiji.org/browse/SCORE-166
wip.
more wip.