Correct usernames, quotes, fixed #4130

Some usernames were displayed plain, some in <strong></strong> tags,
some prefaced with @. For consistency, changed all usernames to @
format.
This also fixed
https://github.com/HabitRPG/habitrpg/issues/4130
as the <strong> tags are removed, and so will not show up on the page.
For the Rooster quest, replace the eccentric character “ with \" to
match the rest of the document.
Baconsaur is capitalized differently in different places; change
references to uppercase  to be consistent, based on capitalization of
name in https://habitrpg.com/#/options/groups/hall/heroes