updated Filebase implementation

vipra-cmd/src/main/java/de/vipra/cmd/file/Filebase.java

...d/src/main/java/de/vipra/cmd/file/FilebaseVocabulary.java

vipra-cmd/src/main/java/de/vipra/cmd/file/JGibbFilebase.java

vipra-cmd/src/main/java/de/vipra/cmd/file/LdacFilebase.java

vipra-cmd/src/main/java/de/vipra/cmd/lda/LDAAnalyzer.java

vipra-cmd/src/main/java/de/vipra/cmd/model/Article.java

...-cmd/src/main/java/de/vipra/cmd/option/ImportCommand.java

...-cmd/src/main/java/de/vipra/cmd/text/CustomProcessor.java

...-cmd/src/main/java/de/vipra/cmd/text/LuceneProcessor.java

vipra-cmd/src/main/java/de/vipra/cmd/text/ProcessedText.java

vipra-cmd/src/main/java/de/vipra/cmd/text/Processor.java

vipra-util/src/main/java/de/vipra/util/Constants.java

vipra-util/src/main/java/de/vipra/util/FileUtils.java

vipra-util/src/main/java/de/vipra/util/PathUtils.java

...c/main/java/de/vipra/util/ex/NotImplementedException.java

vipra-util/src/main/java/de/vipra/util/service/Service.java