unmanaged guava, use whatever version is used by maven

Change-Id: Iec738004d50de33d8cc0064eaca52f7b2d344461
Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
453995 NPE in MavenRequiredCapability when version is not specified for
scope=import

Change-Id: I442de83237c5395891f030e8fd2d9b9822e1c770
Signed-off-by: Anton Tanasenko <atg.sleepless@gmail.com>
removed set/reset settings.xml stdout messages during tests

these messages don't provide any value, just pollute the output,
make the output harder to read.

Signed-off-by: Igor Fedorenko <igor@ifedorenko.com>
Loosen allowed version range for Guava.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>