Changes

Add NOTICE.md and CODE_OF_CONDUCT.md

CODE_OF_CONDUCT.md taken from
https://github.com/eclipse/.github/blob/master/CODE_OF_CONDUCT.md

NOTICE.md generated from
https://www.eclipse.org/projects/tools/documentation.php?id=technology.swtbot

Change-Id: Ie8e5dfc752492953a858863d6d45bee7d99f4595
Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>