Convert composition file to take advantage of new gwt syntax
Add remaining sections for the rough draft of the procedure
Simplify sections/introduction
Split introduction into smaller lines
Add intro to Value Added section
Split adjust-industry-to-industry-use-tables into two distinct steps.
Add headings to procedure sections
Revise 'derive-industry-to-industry-use-table'
Small revision to remove-capital-consumption-from-use-tables