speed up the nav transition

changed ease-in-out to 0.1s
fixed typo
Merge pull request #457 from Tahi-project/navigation-transition-timing

speed up the nav transition
[#78862110] Simplify Submit check page
Merge pull request #459 from Tahi-project/simplify-paper-submit-screen

[#78862110] Simplify Submit check page
New CC 2.0 images
Merge pull request #460 from Tahi-project/new-bg-images

New CC 2.0 images
Merge branch 'master' into new-paper-subscriptions