remove remaining non-example Midnights
Fix name in copyright notices
WIP improve intro etc. - howto page from Naath
Add copyright licence notices to rs*.c (and appropriate notes in README and Makefile)
Merge branch 'stable-3.x'
Improve installation instructions re git etc.
Document the new --upload-* options etc.
Merge branch 'stable-3.x'
Use full URLs for query sites
Document that we actually upload to the main PCTB db
Add Steve to copyright dates (contributed capital limit)
new update-master-info seems to work
Copyright notices
wip yarrg upload too: multiple output modes and set env vars; untested
Rename main program from ypp-commodities to yarrg
Update readmes for new program name
WIP rename pctb -> yarrg