build: update-po

Change-Id: I76cc1f7e6ab7fc0c7aa0dec9cb60a01282df516d
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
build: update maven version

Change-Id: I7ad0b0cd2b155523f9c472ced82f990209e8573f
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>