jdk7-b51: Build Integration

[Xiomara Jayasena]

http://hg.openjdk.java.net/jdk7/jdk7/rev/0f0189d55ce4
http://hg.openjdk.java.net/jdk7/jdk7/corba/rev/3174f87bcd7c
http://hg.openjdk.java.net/jdk7/jdk7/hotspot/rev/ce2272390558
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/b1e3e3b8e6b2
http://hg.openjdk.java.net/jdk7/jdk7/langtools/rev/2c0076945b1a


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