version 0.3.5 tag for JitPack

removed SNAPSHOT tag and increased version number

Update README.md

Update the standalone jar execution

[maven-release-plugin] copy for tag OWL2VOWL-0.3.1

[maven-release-plugin] copy for tag OWL2VOWL-0.3.0

[maven-release-plugin] copy for tag OWL2VOWL-0.2.1

[maven-release-plugin] copy for tag OWL2VOWL-0.2.0

updated readme.txt (new OntoViBe IRI)

Update release files

Added a tag for /trunk:441