commodities cleanup
Merge commit '3ad0f0d8a519d394b228908fc9b34ed7438386c2' into next
Merge pull request #176 from georgek/regex

OK, lets try again.  Thanks for working on this!
fix typos
delete trailing whitespaces
Fix total posting costs example
Merge pull request #177 from thdox/documentation-typos

Documentation typos
Sort buffer now attempts to keep point at the same xact.
Add highlighting for multiple line comments