Update javapayload and java meterpreter

* Add support for hashing commands (stdapi_fs_md5 and sha1)
* Replace MTU detection with the Proper Java Way

Squashed commit of the following:

commit 0207b6e2e0c0eb55c7c5f04bd3008f674f6239ad
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 22:02:15 2012 +0100

    add support for stdapi_fs_{md5|sha1} commands

commit a187e7bc79f8d89e66df8d3a3f892c6dce10307b
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 20:32:03 2012 +0100

    update binaries

commit 0fc553bdac76cc8997fc581141483a3efbdefdfc
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 20:29:48 2012 +0100

    Add support to Java Meterpreter for multiple addresses on same interface

    For more information, see https://dev.metasploit.com/redmine/issues/6476

    Tested with Java 1.4, 1.5, 1.6, 1.7.

commit fc6dba99fe0b13bf8837ed7a699c5dbad35100e6
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 16:55:15 2012 +0100

    Fix Eclipse warnings

commit 4168d025507c1ecfbc50164cfc7f25f3f222b0ab
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 16:29:37 2012 +0100

    Update pretty-printing of unsupported command TLVs

    This adds the TLVs added by commit fbc8e25aaa to the pretty-printer.

commit 4a9335abdabb1b8a7741c5ec67852d7c5d552d6b
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 16:17:25 2012 +0100

    Un-ghetto Java Meterpreter MTU determination

    This splits the change from commit 14dfcce63a into a 1.6-specific and a 1.4-specific implementation (the latter being empty).

    Tested with Java 1.4, 1.5, 1.6, 1.7.

commit 968edd210ed68ba4974f051e280d90f0151df222
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 15:52:46 2012 +0100

    update .gitignore to ignore IDE generated files in JavaPayload projects

commit 86111625bee318411cf43da7706d37ce5d7045c5
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 15:49:58 2012 +0100

    synchronize stages with upstream JavaPayload

commit 2360f2e6eb8703ae762868678ac952203be35d93
Author: Michael Schierl <schierlm@gmx.de>
Date:   Sat Mar 24 15:39:58 2012 +0100

    remove unused stages

[Closes #270]

.gitignore

@@ -1,5 +1,10 @@
 data/meterpreter/ext_server_pivot.dll
 data/meterpreter/ext_server_pivot.x64.dll
+external/source/meterpreter/java/bin
+external/source/meterpreter/java/build
+external/source/meterpreter/java/extensions
+external/source/javapayload/bin
+external/source/javapayload/build
 tags
 *.swp
 *.orig