Added some guideline to write pkg/COMMENT.
Added some guideline to write pkg/COMMENT.

Added reference to pkg_create(1) man page in the explanation of the packing
list.

Added description of ${INSTALL_*} macros.

Added an explanation to use patch files distributed in .tar.gz format.

Added statement about the copyright on the submitted files.

Slgith change in sample Makefile.

Written mostly by:	asami

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase