Check list of changes.

- About updated (framework).
- IdeaCase1
- IdeaCase2
- CSS for subpages.
- Images for subpages.
404 page
403, 500 page

Images for the 403 page and the 500 page.
html/css files added for comments @ the idea page
Comment section bijgewerkt

de comment area en submit knop staat nu op de plaats zoals aangegeven op
de mockup
404 page updated

- css documents for different browser resolutions.
final commit before going to the lecture
All error pages finished

- 404
- 403
- 500

Additionally, adding more errorpages is not useful, since it may benefit
attackers with information about what software is used.
Merge remote-tracking branch 'origin/errorpages' into Commenterino
git pls
Merge branch 'Commenterino' of https://github.com/utwente-di/di07 into Commenterino
comment support added
Errorpages fixed for min-width

Only min-height media query to enable better responsivity.
CSS repositioning - Big Cleanup
CSS edits

- Upvotes and Downvotes
Fix upvote/downvote
git pls

removed a comment line
Not responsive
Close the head :)
css updated