Refactoring lucene class

Continouing development of class ; to be tested still
Code is now much cleaner.
One last late change
Merge branch 'develop' of github.com:eXist-db/exist into develop
Merge branch 'develop' of github.com:eXist-db/exist into develop
Merge branch 'develop' of github.com:eXist-db/exist into develop
Merge branch 'develop' of github.com:eXist-db/exist into develop
Make analyser creation as documented
review comments from dmitriy
Remove xmlcalabash module. It replaced by xar module that can be
installed from central xars repo.
Merge pull request #136 from shabanovd/develop

Remove xmlcalabash module.
[bugfix] XQueryURLRewrite does not check basic auth header, but always executes controller as guest.
Merge pull request #138 from wolfgangmm/develop

Respect basic auth header for execution of controller
Merge branch 'develop' of github.com:eXist-db/exist into develop
Merge branch 'develop' of github.com:dizzzz/exist into develop
Merge pull request #140 from dizzzz/develop

Lucene analyzerconfig update