v0.9.0-rc1

New Features

• Breaking Change - Minimum supported version is now Node 6.X #589
• Updated winston logger dependency to 2.4.2 #587
• Refined colours to match mIRC colours - #483 Thanks @silkeh
• Displayname changes now appear as nick changes - #486 Thanks @silkeh
• New migrate-users script to remove suffixes from displaynames - #495 Thanks @SohumB
• Rewritten IRC to HTML parsing - #485 Thanks @silkeh
• Add m.audio as a valid file type - #504 Thanks @t3chguy
• Don't rejoin mapped rooms #594
• Announce and leave DM rooms if we don't support it #600