hg: openjfx/8/graphics/rt: [TEST-ONLY] increase tolerance for visual tests for now to get nightly build to work on Mac

[hang.vo at oracle.com]

Changeset: 48bcd33e7e7a
Author:    kcr
Date:      2013-09-13 17:15 -0700
URL:       http://hg.openjdk.java.net/openjfx/8/graphics/rt/rev/48bcd33e7e7a

[TEST-ONLY] increase tolerance for visual tests for now to get nightly build to work on Mac

! tests/system/src/test/java/helloworld/RectangleTest.java
! tests/system/src/test/java/test3d/NearAndFarClipTest.java