excluded distribution artifacts from being installed to local repo
added note on what to do when changing to Sonatype OSS
added "all" assembly
made the dependency filtering of the example assembly strict so that an
obsolete assembly configuration in the future leads to a build error
Fixed assembly artifact exclusion bug
see http://jira.codehaus.org/browse/MASSEMBLY-644

Updated ardor3d-examples to use 2.4 of maven-assembly-plugin