Ported checkBalance and createHIT to dashboard's backend.
Ported checkBalance and createHIT to dashboard's backend.

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