adding more tika properties
experimenting with thread chaining

experimenting with the gatherer/adaptor/consolidator chain.
Enhancing gathering process

Enhancing the gathering process, so that it is as fast
as possible. Now it is IO bound and it works as fast as the
underlying hard disk supports. (An SSD should be really fast).
adding archive file support

adding support for archive files during gathering.
using apache commons vfs to read the streams out of the archive
Merge branch 'enhancement/gatherer' into integration
adding javadocs for the API module
adding JavaDocs for the CORE module
adding JavaDocs for the CMD module
reformatting code style
Merge branch 'enhancement/javadocs' into integration