Copyright transfer from ESL

NOTICE

README.md

doc/README.md

doc/edown_doclet.md

doc/edown_layout.md

doc/edown_lib.md

doc/edown_make.md

doc/edown_xmerl.md

doc/overview.edoc

make_doc

samples/markedoc/SAMPLE2.md

samples/markedoc/what-you-should-see/SAMPLE2.edoc

samples/markedoc/what-you-should-see/sample2.html

src/edown.app.src

src/edown_doclet.erl

src/edown_layout.erl

src/edown_lib.erl

src/edown_xmerl.erl