Merge pull request #6 from ippon87/long_way

placeholder for tinkering
Update local record of questions during sync
Correct "more tutorials" link in JS, a disabled button shouldn't go anywhere
Knobble sync button for now
Add message when there are no tutorials
Merge pull request #7 from ippon87/long_way

tinkering with the grade system
JSLint and code tidy
Fix spelling of allotted_time