[Terry N.] restore critical missing nbproject files

assignments/nbproject/genfiles.properties

+# This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
+# Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
+nbproject/build-impl.xml.data.CRC32=54f6e79f
+nbproject/build-impl.xml.script.CRC32=fe984160
+nbproject/build-impl.xml.stylesheet.CRC32=12e0a6c2@1.111.0.48