Merge pull request #725 from hflynn/link_fixes

Fixing broken links in BF doc build
Adjust available memory based upon the thread count
merge dev_4_4 -D org -I include -E exclude: PR 673 (Make configuration file suffix configurable)
merge dev_4_4 -D org -I include -E exclude: PR 710 (Data test updates (rebased onto dev_4_4))
merge dev_4_4 -D org -I include -E exclude: PR 727 (Data tests: adjust memory calculations based upon thread count (rebased onto dev_4_4))