Bug 521923 - Move org.eclipse.equinox.frameworkadmin.tests to Java 8

* Bump BREE.
* Bump minor version for the BREE change.
* Enable more warnings.
* Remove redundant type declarations.
* Try-with-resources.
* Add missing Override annotations.
* Remove tearDown methods simply calling super.
* Generify.

Change-Id: Ic1edb00e8eab708506c052d893d43d52a394053b
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
21 files changed