metadata: added initial default mappings
reader: cleaned up unused else/if-blocks
tests: removed metadata from reader tests
mapper: started integrating reader as nested class
mapper: added reader as nested class
reader_test: changed to nested class; removed unnecessary imports
removed unnecessary spaces
importer: removed reader import
reader_test: renamed class
mapper: started adding javadoc
javadoc: continued documentation
javadoc: continued documentation
cleanup: removed sLayer
javadoc: prepared for merge
javadoc: complete merge
javadoc: further documentaion…
javadoc: methods for creating tokens documented
javadoc: span and character methods
cleanup: added @override to characters
javadoc: some minor corrections in TEIImporter