add legal files
diff --git a/contrib/org.eclipse.objectteams.jdt.nullity/about.ini b/contrib/org.eclipse.objectteams.jdt.nullity/about.ini
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+aboutText=JDT Null Annotation Checker (Early Access)\n\
+\n\
+Copyright (c) 2011 GK Software AG and others.\n\
+Author: Stephan Herrmann\n\
+\n\
+This is an early access version of annotation based null analysis\n\
+as discussed in http://wiki.eclipse.org/JDT_Core/Null_Analysis\n\
+\n\
+The implementation uses OT/Equinox[1] for integration with the JDT/Core.\n\
+\n\
+[1]http://wiki.eclipse.org/Category:OTEquinox\n\
+