Newlines should be converted to spaces for IRC feed

Newlines should be converted to spaces for IRC feed

Instead of just removing them, which was causing reasons to show up like this:
"Automatically blocked by abuse filter.Description of matched rule: Long-term Chinese spambots"
While showing like this on the web pages:
"Automatically blocked by abuse filter. Description of matched rule: Long-term Chinese spambots"

Change-Id: I058e4b446aaa42b4dfe3369f101191f36b6f6978