Merge branch 'hotfix/2.4.6'

* hotfix/2.4.6:
  fixed log in 500 error
Merge branch 'release/2.4.7'

* release/2.4.7:
  updated changelog
  added meta tag for mobile devices (no scaling and adjusting width)
Merge branch 'release/2.4.8'

* release/2.4.8:
  updated changelog
  fixed responsiveness of header icons/link
Merge branch 'release/2.4.9'

* release/2.4.9:
  updated change log
  few fixes for responsive behaviour
Merge branch 'release/2.4.10'

* release/2.4.10:
  2.4.10
  new graphs for budgets and new virtual budgets (every year/month)
fixed some https errors and sparkline include
Merge branch 'hotfix/2.4.11' into develop

* hotfix/2.4.11:
  fixed some https errors and sparkline include