implemented map() in IdentifierBasedListMapping with Levenshtein algorithm
changes toward Levenshtein
added mapping for NoOps also in Levenshtein
Levenshtein: mapping function required only for edit function
implemented map() in IdentifierBasedListMapping with Levenshtein algorithm
changes toward Levenshtein
added mapping for NoOps also in Levenshtein
Levenshtein: mapping function required only for edit function
Merge branch 'master' of https://github.com/bitmagier/a-mapper

merged
testcase for LevenshteinBasedListMappingDef.diff(); using APredicate2 in LevenshteinDistance
merged