MyriaUtils: add ensureObjectIsValidType

To check objects that we store in columns or fields
upgrade to gradle 2.1
MyriaUtils: use deterministic ordering when converting set to array
Merge pull request #618 from uwescience/gradle-2.1

upgrade to gradle 2.1
Merge branch 'master' into type-safety-inserts
test ensureObjectIsValidType
Merge pull request #616 from uwescience/type-safety-inserts

MyriaUtils: add ensureObjectIsValidType
Merge branch 'master' into deterministic-producer
MyriaUtils: rename swap integerCollectionToIntArray to integerSet

that's how we use it and what we expect.
Merge pull request #619 from uwescience/deterministic-producer

Deterministic producer
Merge remote-tracking branch 'origin/master' into slxu-kill-query-at-aborted-downloading