[build] add X11 support for travis (the clipboard tests do not run using a headless session)
issue #8 : Also support patterns relative to project dir
update version to 1.2.0
Merge branch 'feature/issue-8-projectroot'

* feature/issue-8-projectroot:
  update version to 1.2.0
  issue #8 : Also support patterns relative to project dir
issue #7: NPE at de.markiewb.netbeans.plugins.resourcehyperlink.ResourceHyperlinkProvider.findFiles
Merge branch 'feature/issue-7-NPE'

* feature/issue-7-NPE:
  issue #7: NPE at de.markiewb.netbeans.plugins.resourcehyperlink.ResourceHyperlinkProvider.findFiles
provide package for 1.2.0
Merge origin/master