Add symlink_assets task to deploy.rb
Add setup guide to README.md
Revert back to ckeditor/config.js
Paste config lines from source code to avoid overriding
Remove PDF menu item for now
Add background color button to CKEditor
Use paperclip interpolation for CKEditor image path
Reverted uploaded image path to the right directory struct
Add book_id to the session to guide the image upload assetable resource
Set the book in the session as the image asset
In the file picker, scope the displayed files by book
Fix encoding issue in LaTeX files
Fix LaTeX templates regex bug
Merge branch 'master' into staging