added sub-chapter tests, user tests and added validation to user model
Merge pull request #30 from nealcpeters/styling

Styling
added validation and test for sub_chapters
update gitignore and fix MIME type PDF
fix merge conflict
Merge pull request #31 from nealcpeters/pdf

Pdf
add s3 credintials to production
Merge branch 'master' of https://github.com/nealcpeters/infobytes into pdf
Merge pull request #32 from nealcpeters/pdf

Pdf
added gray background for neal
can create with the ace special form
show page is read only for ACE
reworked seed file
adding edit links
can up and down move code snip blocks
now code blocks can go up and down
refactored moving up and down to include all contents
added display to sub_chapter
added display in chapter
fixed bugs with Alexes help