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closes #6206, closes #6205

Fix profile visibility icon

closes #6183

Better display for stream faces

this is the suggested styling according to hound/pronto/rubocop
(#6192)

instead of before blocks creating instance variables
pronto checked

#6192

(#6192)

#6192

and dipatch is also called in the following test
#6192

instead of instance variables
(#6192)

since dispatch method is not private
(#6192)

refactor test: replacing instance variables in before blocks, renaming variables for easier understanding, simplify test set up with less different comments, correct two tests

Update Changelog to improve terms changes indication.

commit_message has newlines which break the rather naive
IRC client Travis uses

One does not simply 'enter an email' (should I enter a random email from my Inbox?), instead one enters ones own email address.

closes #6191

closes #6193