Remove deprecated sonatype oss-parent as parent
Remove deprecated sonatype oss-parent as parent

Move relevant configuration to flowable-root pom

Rename sonatype-oss-release into oss-release
Use latest maven-gpg-plugin
Add distributionManagement (same as in oss-parent from sonatype)

flowable/flowable-engine,dbmalkovsky/flowable-engine,flowable/flowable-engine,paulstapleton/flowable-engine,paulstapleton/flowable-engine,dbmalkovsky/flowable-engine,dbmalkovsky/flowable-engine,paulstapleton/flowable-engine,dbmalkovsky/flowable-engine,flowable/flowable-engine,flowable/flowable-engine,paulstapleton/flowable-engine