change sign-up snippetgroup to new container/row & container/column structure
change update-profile snippetgroup to new container/row & container/column structure
change home page to new container/row & container/column structure
change account recovery page to new container/row & container/column structure
change sign-in page to new container/row & container/column structure
change sign-up page to new container/row & container/column structure
change user profile page to new container/row & container/column structure
change user update page to new container/row & container/column structure
change password change page to new container/row & container/column structure
add container/column data snippet
add container/column template snippet
fix container/row template snippet to handle columns