Added confusion icon to play bar
Added confusion database, confusion post
Merge pull request #26 from thompsona/confusionButton

Added "confused" button and confusion data storage
Delete a comment
Merge pull request #27 from khempenius/deleteComment

Delete a comment
DB schema changes for deleting comments
Merge pull request #28 from khempenius/comments

DB schema changes for deleting comments
Correctly compiled modified version of lessonplan.js
Merge pull request #29 from thompsona/correctLessonPlan

Correctly compiled modified version of lessonplan.js
Added on/off indicators for comments and subtitles
Merge pull request #30 from khempenius/comments

Added on/off indicators for comments and subtitles
Three-comment display, 'delete' and 'reply' options presented on mouseover