Consolidate script tags into asset pipeline.

Move scripts from ace editor into javascript tag in the layout/application file.
Require mousetrap/record in asset pipeline
Write jQuery function to retrieve value of edited code and compare to answer
Alert if answer and input are the same.
Add another editor to the show page
Add button to reset editor after submit.

Add buttons hidden buttons to editors.
Add jQuery to refresh browser on click of reset button.
Add alerts, notices, and next button.
Add GitHub link to bottom of show page
Refactor 'next lesson' button
Update readme
Add columns, content2, editable_code2, answer2 to lessons table.

Add to string parameters.
Add left padding to ace editor.
Separate keybindings into individual js files.
add keybindings for addLineDown and addLineUp.
Compile assets for push to production.
Fix syntax spacing in editor2_keybindings.js
Fix conflicts

remove duplicate line in editor2_keybindings.js