Merge pull request #262 from csmith/master

Remove some parseHostmask/parser usages.
Stop get(Local)User returning Optional.
Merge branch 'master' of https://github.com/DMDirc/DMDirc into awaymessages
Fix some optionals from the merge.
Merge pull request #263 from greboid/awaymessages

Stop get(Local)User returning Optional.
Rename getChannels to getChannelNames.

I want a method to return the actual Channels... :)