444084 Fix performance of NestedProjectsComposite checkBox selections

Change-Id: Ie9a4e9279b6c8087686b55a737109e1e34094d2f
Signed-off-by: Anton Tanasenko <atg.sleepless@gmail.com>
441523 Tuned pom editor's TableViewerEditor behavior

Change-Id: I2d44243a77330f0f3c1c09d878ecd6d3583b9cfe
Signed-off-by: Anton Tanasenko <atg.sleepless@gmail.com>