In TaxAuthorities.php, adds $ViewTopic and $BookMark, completes table headings, formats number columns to fix sort order, and minor improvements.
Standardizes page_title_text to main-menu-option, standardizes bottom tax-menu, adds $ViewTopic and $BookMark, completes table header columns, formats data columns in Tax* scripts.
Change sequence of columns
Add links to relevant paypal pages
Provide some initial default values
Added UOM field
Added condition "not create demand for discontinued items". Seems not reasonable to create a demand for obsolete items.
Added condition to MRP to use / not use reorder level to calculate requirements and some typos fixed.
Merge pull request #516 from timschofield/develop

Develop