447407 clear error messages in maven installation dialog

Change-Id: I62fd1272af3520c4f6cd7cf0ee330b378463d6bb
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
447914 Defer 'as you type' filter on pom viewer's dependency tree page

Change-Id: Id08cedb034f77d78e987f5cb172e8b2dba2d8826
Signed-off-by: Anton Tanasenko <atg.sleepless@gmail.com>