Bug 525698 - Move ui.sdk.* bundles to Java 8

* Bump BREE
* Bump minor version
* Update warnings for newer Java versions
* Add missing Override annotations
* Lambda conversion
* Remove redundant type arguments

Change-Id: I112e7295fd80f8132e4d1574c32264c244609f19
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
30 files changed