Streamline Commonist java source by unpacking libraries
- minibpp.jar, lib-util.jar and mwapi.jar source unpacked and integrated with the commonist source.
- remove binary and source jars of the above libraries (we lose small change to mwapi.jar that was only in a binary format, but (1) the change never worked (2) a patch for the login issue follows.
- update build infrastructure to reflect changes above, incorporating JavaCC parser generator.
- change commonist shell script to use /bin/sh, as no bash-isms are there