Add dataset for a new test-case
initial rought draft of new unit test.
Tweak the problem so that its harder to learn.
Add a weighting-feature option
Fixes issue #502
Merge pull request #685 from Alex-van-der-Peet/RESTAPIFix

Fixes Issue #502
misc moses cleanup
Merge pull request #686 from linas/remo

start work on weighted scoring for moses
Fix for build break on buildbot
Merge pull request #687 from linas/remo

Fix for build break on buildbot