Merge pull request #117 from vp/vp-associate-parameters-filter

Support for selection and filters in query associations

mapper: fixed unmapFilter() for IN/NOT IN cases

tests: updated nette tester

composer: nette tester 1.5.0

travis: used container-based infrastructure

adapter: createInsert() extended with primary column name

adapter: createInsert() extended with primary column name

repository: new methods destroyBy() & updateBy()

mapper: fixed Date mapping

associations: fixed ManyToOne if primaries empty