Instrument share failure
Update doc with link to event tracking guide
Add `type` field to share failures for i18n-independent client-side analytics
 - Add note about testing analytics instrumentation locally
Merge pull request #138 from code-dot-org/indiegogo_widgets

Indiegogo widgets
Add initial UI tests for solving Jigsaw and Flappy puzzles
Fix broken video URL
record script seeded time before seeding scripts to reduce race conditions
Fix loss of Jigsaw level progress due to bad game.rb seed
commit change to scripts.en.yml
Fix loss of Jigsaw level progress due to bad game.rb seed
new calc app (copied from turtle) building
remove a bunch of stuff
add more stuff
get calc working in blockly dev env
Add Jigsaw level 2 UI test
calc working in dashboard
add example builtin level to 2014 script
get rid of more stuff
remove more stuff
start of Expression class