Change the name of the artifact being downloaded so that it reflects the name of the artifact uploaded.
Fixed up with respect to the review comments.
Added some tests.. removed an unused method.
Don't need to close the metatable as the instance release does this.
Don't need this dependency.
Changed the model def/env in support of a real extract + score phase implementation.
Test model repository scanning.
Scoring server test classes.
Some generic test utils.
Merge branch 'dev' of github.com:ANithian/kiji-model-repository into dev

Conflicts:
	kiji-scoring-server/src/main/scala/org/kiji/scoring/server/ScoringServer.scala
	kiji-scoring-server/src/test/scala/org/kiji/scoring/server/TestModelRepoScanner.scala
Renamed this to something more representative.
Result of rename.
Fixed comments as per review.