image uploading + rendering(profile editing page)
changed rendering profile img size
fixed submitting the editing profile form & added a link to admin page on homepage
fixed exception: no matching query, when super user log in and try to edit the profile
changed the layouts of posts & fixed the problem in uploading profile image
add feature : author can delete/edit question| TODO: edit/delete answers/posts/replies
edit/delete posts
merged hangyu branch
tiny fix
created the schema again
dev.db
merged master
removed 'bitch' from the bbs.html
added searching schema