Library solr.ASCIIFoldingFilterFactory substituted by the further developped ICUFoldingFilterFactory.
Actual library for removing of diacritics is ICUFoldingFilterFactory, a Unicode normalization form.
Libraries to be installed are specified in the README.md file
Update of the README.md document. Changes in libraries used for deletion of diacritics and libraries that must be installed in Solr.
Merge pull request #6 from KepaJRodriguez/master

Changes in schema.xml and README.md