- part 2 - enable "addTags" to handle configurable list of separators (when using "enableStringTagging" option of "extract-metadata" action)
- initial default separators/delimiters => comma, semi-colon & vertical bar (pipe)
- also means we can re-enable & fix ContentMetadataExtractorTagMappingTest
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.2.N/root@135061 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261