Fix test.py

It wasn't creating the scores properly.
Delete competition

Add button to modify competition page. This directs to
delete page where all data associated with the competition
is deleted from the database. Competition, UserComp, Photo,
Scores, Comment.
Added information about markdown
Merge branch 'markdown-help' into develop
Merge branch 'develop'
Tweak homepage layout and remove page title.
Merge branch 'develop'
Comment edit feature

A user can edit their own comments. And admin user can edit
any comment.
Fix homepage comment markdown