Changed submit ad button
Create a new modal dialog for submitting new ads
Add margin to separate links in header
Navigate user back to /# after hiding the add post modal
Close the newPost modal upon successful creation
Remove close comment
Fixed merge conflicts
Merge pull request #224 from cvuong/create-posts-lovin

Give create new ads some loving
Implement use of jbuilder in Post public_models
Implemented relative time
Show user profile pics
Merge pull request #229 from cvuong/show-relative-time

Show relative time, show user profile image, use jbuilder for public_models
merge conflicts fix