Blog post permalinks

[claybruh]

Implement the ability for users to adjust the permalinks of their blog posts and have the ability to remove the blog ID # from the permalink.

Example: http://wightdev.com/blog/15-another-blog-post

Alternatives: http://wightdev.com/blog/another-blog-post
http://wightdev.com/blog/category/another-blog-post
http://wightdev.com/category/another-blog-post
http://wightdev.com/blog/date/category/another-blog-post