Add offcanvas navbar
Remove bootstrap and turbolinks
Add line-number and editor-height to lessons table
Add funcitonality to control where to insert the cursor and the height of the editor

Add editor_height2 and line_number2 to lessons
Add hidden data in show
Experiement with adjusting height of editor
Experiment with adding height
Merge branch 'add-offcanvas'
Add removeLines() keybinding
ADd keybindings for comments and deleting lines
Merge branch 'add-offcanvas'
Add toggle comment keybinding to editor2
Add toggle comment to editor2
Fix conflict in editor2.js file
Merge branch 'master' of https://github.com/Bw00d/sublime_learning