work on eval package; fixing od/ud
Merge branch 'master' of https://github.com/CIIR/julien

Conflicts:
	galago/core/src/main/java/julien/galago/core/util/ExtentArray.java
	src/main/scala/julien/eval/QueryJudgment.scala
	src/main/scala/julien/eval/QueryJudgmentSet.scala