split the Arbitraries object into several traits

started a Repository Arbitrary
Improved the Arbitrary for repositories

create metadata
added a specification using the temporary Repository
publish the test jars for core and operation
merged with master
added the publication of test jars
Fix cli tests with new ids.
Merge pull request #428 from ambiata/topic/unbork-mth-cli

Fix cli tests with new ids.
Merge pull request #375 from ambiata/topic/ivory-testing

Repository arbitraries
Better data-types.
random
Clean-up from pulling in data types.
Clean-up from pulling in data types.
Clean-up from pulling in data types (compiling).
Clean-up from pulling in data types (compiling).
Moar tests.
Moar tests.
Moar tests.
frakkkkkkkk.