Show all scores for admin, hide admin scores from non-admin
Merge pull request #85 from TakenokoChocoHolic/70_score_board_and_admin

Show all scores for admin, hide admin scores from non-admin
Show log-messages as a table
Merge pull request #95 from TakenokoChocoHolic/67_fancy_submission_log_messages

Show log-messages as a table. close #67
Merge pull request #94 from TakenokoChocoHolic/93_remove_docs

Remove doc directories. Enhance README.md.
Fix image page

f.error_messages is old style to show error messages
Merge pull request #102 from murooka/fix_image_page

Fix image page
Update README.md

ImageMagic -> ImageMagick
Merge branch 'master' into 93_remove_docs