added classname to identify header row of specgroup
Merge branch 'master' of https://github.com/jilse/451order
changed ID attribute to class
added function to check variant lists
added more static spec & variant test cases
revised category navigation functions and test script, changed some IDs to classes, improved product and category scripts
Merge branch 'master' of https://github.com/jilse/451order
change to variant navigation function
debug
corrected for new category navigation and product navigation
corrected for new category navigation and product navigation
Merge pull request #22 from rmelanson0451/master

Fixed merge conflicts and adjusted product and category functions and scripts to evolve with design.