Add all existing SmarterApp.org pages
Correct case-sensitivity issues

Previous hosting was case-insensitive on URL paths. GitHub pages are
case sensitive. Needed to correct links to match page names.
Partial conversion to Jeckyll server-side layout.
Additional files in Jekyll update
Additional Jekyll tests

The documentation about how layouts work is a bit vague. This is to make
sure I'm understanding correctly.
Completed the conversion to Jekyll

Eliminated browser-side includes in favor of Jekyll includes and
layouts.
Additional pieces missed in last commit
Removed old-style pages.
Fixed syntax error in specifications.html
Use posts for news on home page
Test
Fixed news category.