[Bug 1033901] Add space between IRC nick and bubble
[Bug 1033901] Add space between IRC nick and bubble

ChristineLaMuse/mozillians,brian-yang/mozillians,johngian/mozillians,akatsoulas/mozillians,mozilla/mozillians,hoosteeno/mozillians,anistark/mozillians,chirilo/mozillians,justinpotts/mozillians,fxa90id/mozillians,hoosteeno/mozillians,safwanrahman/mozillians,ChristineLaMuse/mozillians,akarki15/mozillians,akarki15/mozillians,fxa90id/mozillians,justinpotts/mozillians,anistark/mozillians,justinpotts/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,brian-yang/mozillians,brian-yang/mozillians,chirilo/mozillians,chirilo/mozillians,hoosteeno/mozillians,chirilo/mozillians,akarki15/mozillians,ChristineLaMuse/mozillians,johngian/mozillians,johngian/mozillians,anistark/mozillians,mozilla/mozillians,safwanrahman/mozillians,brian-yang/mozillians,hoosteeno/mozillians,johngian/mozillians,safwanrahman/mozillians,justinpotts/mozillians,anistark/mozillians,fxa90id/mozillians,mozilla/mozillians,mozilla/mozillians,safwanrahman/mozillians,akatsoulas/mozillians,akarki15/mozillians,fxa90id/mozillians