added additional user_name validations and their corresponding tests
Merge pull request #50 from nealcpeters/links

Links
ran tests
working on seed file
ajaxified the subchapter page for create and submit form
switched from attatchable to attachable
Merge pull request #51 from nealcpeters/models

ajaxified the subchapter page for create and submit form
shit is good
Merge branch 'master' of https://github.com/nealcpeters/infobytes into codesnippet
ffs why do i even have to do this
Merge branch 'master' into attachable
Merge pull request #52 from nealcpeters/attachable

Attachable
tests not fully working but merge time
Merge branch 'master' of https://github.com/nealcpeters/infobytes into codesnippet
Merge branch 'master' into links
log in and out covered in specs
user auth tests good
Update README.md
tests for profile button are good
added init tests for tutorial creation