clean terminology; add help comments; add some TODO
Removed everything `host'-related.
added UNKNOWN_WARN_SIG and fixed client's /signal
organiza o TODO
universaliza o fragment
mk_code usa o novo mk_fragment
fix mark_as_unread in google chrome, and prettify chat msgs padding
adicionada left_sidebar with some data
pls amend this
starting to implement user icons
Merge branch 'unhost' of github.com:fofoni/sgaeoms into unhost

Needed because of pushed but afterwards ammended commit
Imagens de cor de deck, e avanços no menu da esquerda.