block openbattle / topics / ... "static" stuff which is on profanity list

[abma]

https://springrts.com/phpbb/viewtopic.php?p=567184#p567184

check "static" stuff for profanity on the lobby server: channel name, channel topic, battle name, username and block them

this simplifies sayhooks a lot! -> merge bad_words + bad_sites

atm its still replaced

[abma]

• reenable spam filter

[abma]

(afaik) check + block channel name / topic / battle name is missing