Version 5 0 5 4 4 12

Updates to 5.0.5 and 4.4.12 versions.
- Check that all version numbers are correct in menus, page titles, page headers and the first two screenshots in both Getting Started and both Importing pages. 
- Note - PDFs will come from active Help downloads site - should be correct - check both Getting Started and both Importing pages have correct version numbers and first two screenshots. 
- Check version numbers on Previous page, Resources page and Home page text.