jdk7u-b20: jdk7u4-dev

[lana.steuck at oracle.com]

http://hg.openjdk.java.net/jdk7u/jdk7u4/rev/1eae71787c33 
http://hg.openjdk.java.net/jdk7u/jdk7u4/langtools/rev/83b2485f2acb 
http://hg.openjdk.java.net/jdk7u/jdk7u4/jdk/rev/1a495432b42a 
http://hg.openjdk.java.net/jdk7u/jdk7u4/jaxws/rev/ee1f14434585 
http://hg.openjdk.java.net/jdk7u/jdk7u4/jaxp/rev/b08fa5f66572 
http://hg.openjdk.java.net/jdk7u/jdk7u4/hotspot/rev/30e3475c1a45 
http://hg.openjdk.java.net/jdk7u/jdk7u4/corba/rev/81a59f2d7ea4 

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All the fixes will be tested during promotion (no PIT testing at this point):
7130404 java build            [macosx] "os.arch" value should be "x86_64" for compatibilit
7154505 java classes_2d       [macosx] NetBeans sometimes starts with no text rendered
7159266 java classes_awt      [macosx] ApplicationDelegate should not be set in the headle
7134701 java classes_net      [macosx] Support legacy native library names
7158483 java classes_util_i18 (tz) Support tzdata2012c
7142172 jsse runtime          Custom X509TrustManagers that return null for getAcceptedIss