JBIDE-18772: Scripts as Maven artifacts

This might break for the core, coretests, webtools, and hibernatetools aggregate builds, unless we move those contents into sources/site instead of where they currently reside.

https://jenkins.mw.lab.eng.bos.redhat.com/hudson/view/DevStudio/view/DevStudio_8.0.luna/job/jbosstools-build-sites.aggregate.coretests-site_4.2.luna/ws/sources/aggregate/