Evolution 3.28 changed the desktop filename. Without this patch,
evolution will disappear from the dock.
'dconf-editor.desktop': 'ca.desrt.dconf-editor.desktop',
'empathy.desktop': 'org.gnome.Empathy.desktop',
'epiphany.desktop': 'org.gnome.Epiphany.desktop',
+ 'evolution.desktop': 'org.gnome.Evolution.desktop',
'file-roller.desktop': 'org.gnome.FileRoller.desktop',
'gcalctool.desktop': 'org.gnome.Calculator.desktop',
'geary.desktop': 'org.gnome.Geary.desktop',