re #91 : Add KTranslatorInflectorInterface
Docblocks
re #91 : Remove KTemplateFilterTranslator.Make  KTemplateHelperTranslator output strings instead.
re #91 : Refactor KTranslator

- Allow catalogue to be set by name or identifier in KTranslatorInterface::setCatalogue()
- Remove KTranslatorCatalogueScript and related API's. Handle through KTemplateHelperTranslator
re #91 : Translator filter no longer exists.
Code cleanup
re #91 : Refactor ComKoowaTranslator

- Cleanup API. Remove unneeded methods.
- Merge alias catalogue into abstract catalogue
- Move getPrefix/setPrefix method into catalogue
- Make key limit configurable in generateKey() method