Move aggregate_post_info into post
Combine keep_file_regex
Remove source from Post, Page, and StaticFile constructor (it's already beening passed as part of site)
Change arguement to just path for static_file
Change arguement to just path for page
Change read_yaml to take a path
Remove lefover conditional
Update posts and drafts to use paths
Combine all read methods together and remove the recursion
Combined the posts, pages, and statics into one array
Extract parent object from posts and pages
Remove printed lsi messages