Added autocheck for password,
Merge pull request #149 from nanan9177/tutorial

HoC Wrap Up video and Success page
Translations
Moved password checking in javascript.
I18n setup for the new strings.
Merge pull request #151 from nanan9177/password_checking

Added autocheck for password,
Turn on read pool
Chinese i18n title update.
Merge pull request #152 from nanan9177/blockly_fix

Chinese i18n title update.
fix read pool adapters
Phase 1 of implementing prizes
PR feedback, add auth, insert conditional earned prize message on trophy block
Merge pull request #153 from code-dot-org/start_prizes

Phase 1 of implementing prizes - includes PR feedback delivering verbally
move log to a function, validate possible nil params
PrizeMailer added and hooked up with basic templates
Don't show teachers their student's email address
Ignore format types in puzzle requests (img, json, etc)
Added the new Artist 4 stage.