TRUNK-5981 Manage spring dependencies via spring BOM (#3665)
spring provides a bill of materials that already manages all the
artifacts released under springframework. This ensures versions are kept
in sync. Exclusions cannot be stated in an import so they have to be
provided explicitly.
TRUNK-5982 Adapt to new hamcrest packaging
hamcrest as of 2.x ships what was previously in hamcrest-core and
hamcrest-library in a single jar at artifact coordinate
org.hamcrest:hamcrest
