CYKLO-927 Start shifting from old Stempel to brand new builtin lucene 4.0 Stempel.
CYKLO-927 Add StempelStemmerFactory which creates Stemmer instances.
CYKLO-927 Add mockito, and move analyzers-stempel dependency higher where rest of lucene dependencies are.
CYKLO-927 Rewrite StemmerPL to be simple wrapper around StempelStemmer which just satisfies Stemmer contract.
CYKLO-927 Update javadoc.
CYKLO-927 Add Factory to container.
CYKLO-927 Update test to mock factory.
CYKLO-927 Create Stemmer via Factory