Resolve "The topic cloud does not start from zero in brainstorming mode"

Closes #722

See merge request arsnova/frag.jetzt!727

Adds strinigfy/parse to parse JSON but stringify data to work with

Closes #720

See merge request arsnova/frag.jetzt!726

Reimplements staging.antworte.jetzt for localStorage share test

Closes #720

See merge request arsnova/frag.jetzt!720

Resolve "Do not offer voting for your own question"

Closes #711, #717, and #719

See merge request arsnova/frag.jetzt!719

Resolve "Use new filter inside the Topic Cloud"

Closes #721

See merge request arsnova/frag.jetzt!721

[Ticket: #711][Ticket: #719]

[Ticket: #717]

Resolve "The question list as input for the topic cloud is always zero"

Closes #712 and #714

See merge request arsnova/frag.jetzt!718

[Ticket: #715]

# Conflicts:
#	src/app/components/shared/header/header.component.html
#	src/app/components/shared/header/header.component.ts

Resolve "Header button for role change"

Closes #608

See merge request arsnova/frag.jetzt!715

Staging

See merge request arsnova/frag.jetzt!714

Merge branch '679-adapt-components-to-roles-based-on-routes-instead-of-the-user-itself' into 'staging'

Resolve "Adapt components to roles based on routes instead of the user itself"

Closes #679 and #709

See merge request arsnova/frag.jetzt!712

New header structure, page pagination, bug fixes

See merge request arsnova/frag.jetzt!713

Adds basic service to respond with localStorage info

See merge request arsnova/frag.jetzt!706

Resolve "Superfluous space causes horizontal scrolling"

Closes #710

See merge request arsnova/frag.jetzt!711

Merge branch '678-move-the-main-features-to-the-header-of-the-question-list-in-desktop-view' into 'staging'

Resolve "Move the main features to the header of the question list in desktop view"

Closes #678

See merge request arsnova/frag.jetzt!708

Merge branch '708-with-a-direct-link-the-room-in-the-url-path-is-lost-if-a-motd-appears-beforehand' into 'staging'

Resolve "With a direct link, the room in the URL path is lost if a MotD appears beforehand"

Closes #708

See merge request arsnova/frag.jetzt!710