downgrading enforcer plugin to 3.0.5, as that seems to be the latest version of mvn that is reliably available on all Cloudbees slaves. also upgraded jetty-console to 1.56
downgrading enforcer plugin to 3.0.5, as that seems to be the latest version of mvn that is reliably available on all Cloudbees slaves.
also upgraded jetty-console to 1.56

isisaddons/isis-module-settings,isisaddons/isis-module-settings,isisaddons/isis-module-settings,isisaddons/isis-module-settings