Adapt main layout header to BS3
Remove row wrapper from local site warning
Adapt main layout footer for BS3
Adapt conditions template for BS3
Move DOM template from js to html-file
Adapt page/article rendering templates for BS3
Adapt DNT Connect layout and templates for BS3
Rename email templates to .txt
Adapt gift membership templates for BS3
Remove unused id attribute
Move jq-hide class to common generic markup
Adapt enrollment templates for BS3