changed script step docu from Apache-BSF to JSR-223
Merge pull request #5 from OpenNMS/feature/PRIS-91

PRIS-91 Replace Apache-BSF with JSR-223 - changed script step docu from Apache-BSF to JSR-223
created AssetField_1_12 enum class for old systems. updated AssedField enum for OpenNMS 14
Merge pull request #6 from OpenNMS/feature/PRIS-104

Feature/pris 104