clean up the /frequent_unsuccessful_level_sources page (the hint list interface)
Merge pull request #227 from code-dot-org/staging

DTT
Merge branch 'staging' into test
retry on duplicate usernames; also generate usernames in teacher dashboard
forgot file
Merge pull request #226 from code-dot-org/hint-ui

clean up the /frequent_unsuccessful_level_sources page (the hint list in...
Merge pull request #229 from code-dot-org/username-fixes

Username fixes
Merge pull request #230 from code-dot-org/staging

DTT
ask rerun to watch lib dir in addition to pegasus dir for pegasus
*-sql scripts open mysql console when no query is supplied
add *-console commands to open rails console or irb with pegasus environment
Merge pull request #231 from code-dot-org/bin

new/improved scripts for /bin directory
Run `MOOC_APP=none ./build_with_core.sh debug` to save a few seconds buildling vendor.js from core without changes to any of the Blockly apps
Merge branch 'test' into staging
Merge pull request #232 from code-dot-org/chapterPartners

chapter partner site updates
Fix jshint:all
localized hourofcode.com/uk resources
Merge pull request #233 from code-dot-org/hourofcode

localized hourofcode.com/uk resources
Give the cookie to the survey page.
Merge branch 'test' into staging