fix: standarize all pages to same

[maze-runnar]

Fixes #5094

Checklist

• I have read the Contribution & Best practices Guide.
• My branch is up-to-date with the Upstream development branch.
• The acceptance, integration, unit tests and linter pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

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[iamareebjamal]

I don't think central content column means center align text, which should never be done for content

[iamareebjamal]

The image is not attendee-header, rename it to app-landing-header

[codecov]

Codecov Report

Merging #5152 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #5152   +/-   ##
============================================
  Coverage        22.71%   22.71%           
============================================
  Files              489      489           
  Lines             5181     5181           
  Branches            35       35           
============================================
  Hits              1177     1177           
  Misses            3999     3999           
  Partials             5        5           

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[maze-runnar]

[mariobehling]

Thank you.

• App pages dont seem to have an equal spacing to the left and right, left spacing is smaller than spacing to right
• Pricing page is missing page title header
• Page titles are using Page Name. They should be using Title as defined in content
  
• Increase height and font on bottom bar please. Compare design and font size to Eventbrite bottom bar for inspiration e.g. here https://www.eventbrite.com/support

[mariobehling]

Thank you. Looks good to me.

[mariobehling]

Sorry, I missed this:

• On the app pages there is still a menu on top. Please take this out.

[mariobehling]

Updating the branch. Lets see if that fixes the Travis build fail.