jdk7-b51: Build Integration

[Xiomara.Jayasena at Sun.COM]

http://hg.openjdk.java.net/jdk7/jdk7/rev/0f0189d55ce4
http://hg.openjdk.java.net/jdk7/jdk7/corba/rev/3eb8f1047a74
http://hg.openjdk.java.net/jdk7/jdk7/hotspot/rev/2581d90c6c9b
http://hg.openjdk.java.net/jdk7/jdk7/jaxp/rev/ae890d80d5df
http://hg.openjdk.java.net/jdk7/jdk7/jaxws/rev/41a66a42791b
http://hg.openjdk.java.net/jdk7/jdk7/jdk/rev/fea0898259ae
http://hg.openjdk.java.net/jdk7/jdk7/langtools/rev/8c55d5b0ed71

----

PIT results or PIT waiver :  These changes are coordinated with RE
                           [xiomara] and tested in the RE environment.