[8u] Request for approval : 8012351 - Bold fonts everywhere in GTK L&F on Ubuntu with JDK 7

[Phil Race]

Please approve this backport : http://cr.openjdk.java.net/~prr/8012351.8u/
of https://bugs.openjdk.java.net/browse/JDK-8012351
JDK 9 changeset : 
http://hg.openjdk.java.net/jdk9/client/jdk/rev/5ff0d5f1a97f
JDK 9 code review : 
http://mail.openjdk.java.net/pipermail/2d-dev/2014-February/004197.html

-Phil.