Replace CDN Bootstrap with local bootstrap-sass

Reorganize static folder structure
Adjust file paths in templates and models
Move comparison template files
Update template include paths
Rename primary stylesheet
Restructure template header
Add Info menu item to template
Expand template secondary navigation
Tweak template navbar appearance
Adjust template footer text
Update template footer disclaimer
Refactor base template to be Mobile-first
Tweak template for print display
Adjust logo alignment
Fix alert bug
Fix alert bug
Partial theme refactor
Rename list_new.html template
Bugfix: Center sortable column headers
Tweak logo margin
Tweak footer margin