5.1 examples final (!) build fails

[garys]

Downloading: http://repository.jboss.org/nexus/content/groups/public/org/jbpm/jbpm/5.1.0/jbpm-5.1.0.pom

Downloading: http://repo1.maven.org/maven2/org/jbpm/jbpm/5.1.0/jbpm-5.1.0.pom

[ERROR] The build could not read 1 project -> [Help 1]

[ERROR]  

[ERROR]   The project org.jbpm:jbpm-examples:5.1.0 (/Users/gs/drools/jbpm-examples/pom.xml) has 1 error

[ERROR]     Non-resolvable parent POM: Could not find artifact org.jbpm:jbpm:pom:5.1.0 in jboss-public-repository-group (http://repository.jboss.org/nexus/content/groups/public/) and 'parent.relativePath' points at wrong local POM @ line 5, column 11 -> [Help 2]