Comment 7 for bug 794159

The status icons are filtered by default with a whitelist. That is total crap and makes many apps unusable. That was one of the first things I disabled. Do the following in a shell:

gsettings set com.canonical.Unity.Panel systray-whitelist "['all']"

or use the dconf-editor from the package dconf-tools to edit the value of

desktop/unity/panel/systray-whitelist