Correct labelling of [Cu++] to a cation
Correct labelling 'C=C' as ethene
Renaming and rewording section on atom-based double bond configuration.
Regenerating HTML/PDF documents.
Fixed typos, removed invalid link, updated changelog, revision history and publication date.
Fix typo.
Update html & PDF
Merge branch 'master' of https://github.com/metamolecular/OpenSMILES

Conflicts:
	opensmiles.html
Update Changelog
Update html and PDF
Enable section numbers and table of contents for HTML
Update html and pdf
Add make target to create opensmiles.tgz containing the files to put on
the website