Update project_backgrounds.md steps

Updated step 7 to look for id="hero" instead of classes. The site uses "hero" class for the hero image, but changes the other classes when the image changes, so "your-verse" class is no longer in use.
spelling fix
Please add my solution to html/css
Uploading my Etch-A-Sketch project

Uploading my finished project of the Javascript and JQuery mission :)

tnx,
Tom
Adding John Miller Euler solutions
Adding John Miller Euler solutions
changed some links and added missing ruby solutions
Merge pull request #391 from jason-ellis/master

Update project_backgrounds.md step 7
Merge pull request #392 from betweenparentheses/patch-9

spelling fix
Merge pull request #393 from KevinMulhern/patch-1

Please add my solution to html/css
Merge pull request #394 from MrKindle85/patch-4

Uploading my Etch-A-Sketch project
Merge pull request #395 from johndrmiller/master

adding John Miller to submissions
merge
Project Submit

Here is my project. Thank you so much!
added Tictactoe solution
Fix blockquote/list markdown bug

The blockquote interrupts the list causing it to [render as 1. foo 1. bar 2. baz](http://www.theodinproject.com/ruby-on-rails/getting-your-feet-wet).
Adding Tommy Noe's Event Manager Solution
Heroku app names may not contain underscores

$ heroku rename my_cool_app
Renaming fierce-ravine-2915 to my_cool_app... failed
 !    Name must start with a letter and can only contain lowercase letters, numbers, and dashes.
Added student solution
Merge pull request #397 from emargetis/patch-1

Project Submit