Check storing of PluginSettings

-- Wert prüfen select * from JIRA6_BPO.PROPERTYSTRING t where t.id = ( select p.id from JIRA6_BPO.PROPERTYENTRY p where p.property_key = 'de.enisra.jiraplugins.issuegraph.graphvizExecutableLocation' );

-- Update update JIRA6_BPO.PROPERTYSTRING t set t.propertyvalue = 'D:\graphviz2.36\bin\dot.exe' -- Pfad prüfen! where t.id = ( select p.id from JIRA6_BPO.PROPERTYENTRY p where p.property_key = 'de.enisra.jiraplugins.issuegraph.graphvizExecutableLocation' );