Bug 425980 - ui.tests no longer run on all platforms

Include the obgenisis, mockito and hamcrest libraries for testing.

Change-Id: Iac31881b48a6ab4fb6055209650cb47358dfd016
Added readme entry for bug bug 421127
Fixed CHKPII error
Changed test.performance project settings needed to allow compiling with
JDK7.

Signed-off-by: Timo Kinnunen <timo.kinnunen@gmail.com>
Added README.md and CONTRIBUTING.md files.

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