regenerated with Xtend 2.5.1

Change-Id: I9c74d9cf40cf5ff6e1b6f2347c047a24d50e816e
ported to SwtBot 2.2.0

Change-Id: Ife8c32bf98a94546bcc5142a0d74528513dbcd04
updated tests for xbase 2.5.1

Change-Id: I49195df6699b4e79e69727c6aa8b507db4943fc8
removed warning in xtend file

Change-Id: I07323e59c71dc1127699a2d4f145f4352862646d
removed warnings in ui projects

Change-Id: I3d2425ffd8fc0892f79ce280539c64c99e90da2d
removed useless cast in xtend code

Change-Id: Ib115bc61e6204011d398f200a55e210d3a5a789f