Resolve "The profanity filter does not work properly"

Closes #672

See merge request arsnova/frag.jetzt!661

Resolve "Put some notorious keywords on the blacklist for all rooms"

Closes #669

See merge request arsnova/frag.jetzt!658

[Ticket: #669]

Revert "Add words to blacklist"

See merge request arsnova/frag.jetzt!657

This reverts commit 265c64c7

Merge branch '671-implement-explanation-modals-for-the-my-bonus-stars-and-bonus-archive-dialogs' into 'staging'

Resolve "Implement explanation modals for the "My Bonus Stars" and "Bonus Archive" dialogs"

Closes #671

See merge request arsnova/frag.jetzt!654

Merge branch 'staging' into 671-implement-explanation-modals-for-the-my-bonus-stars-and-bonus-archive-dialogs

Resolve "Weighting in the Topic Cloud is not correct"

Closes #665, #668, and #669

See merge request arsnova/frag.jetzt!647

[Ticket: #671]

[Ticket: #669]

[Ticket: #668]

[Ticket: #665]

Resolve "Fix regular expressions"

Closes #664

See merge request arsnova/frag.jetzt!644

Resolve "Do not offer question analysis if there are no questions"

Closes #658, #660, and #661

See merge request arsnova/frag.jetzt!641

Resolve "Mask more characters in the topic cloud"

Closes #659

See merge request arsnova/frag.jetzt!640

Resolve "Remove typographic quotes from the topic cloud"

Closes #657

See merge request arsnova/frag.jetzt!636

Merge branch '656-after-the-analysis-run-has-finished-update-the-number-of-keywords-in-the-dialog-box' into 'staging'

Resolve "After the analysis run has finished, update the number of keywords in the dialog box"

Closes #656

See merge request arsnova/frag.jetzt!635

Resolve "Offer question analysis for all user roles"

Closes #655

See merge request arsnova/frag.jetzt!632

Resolve "Reduce access rates"

Closes #654

See merge request arsnova/frag.jetzt!630