adds support for subfolders in /templates
adds support for subfolders in /templates

- most useful e.g., if you have lots of instruction pages, you can make an 'instructions' subfolder to keep things organized

mshvartsman/psiTurk,mshvartsman/psiTurk,pfeyz/psiTurk,rbtrace/psiTurk,suchow/psiTurk,michaelpacer/psiTurk,NYUCCL/psiTurk,NYUCCL/psiTurk,pfeyz/psiTurk,NYUCCL/psiTurk,andyh616/psiTurk,suchow/psiTurk,kachergis/psiTurk,johnmcdonnell/psiTurk,andyh616/psiTurk,suchow/psiTurk,berkeley-cocosci/psiTurk,johnmcdonnell/psiTurk,kachergis/psiTurk,kachergis/psiTurk,mshvartsman/psiTurk,rbtrace/psiTurk,michaelpacer/psiTurk,johnmcdonnell/psiTurk,rbtrace/psiTurk,andyh616/psiTurk,michaelpacer/psiTurk,pfeyz/psiTurk,berkeley-cocosci/psiTurk,berkeley-cocosci/psiTurk