1. press Alt+F2 and run command "unity --replace" on every new session.
2. export your profile with ccsm, install gnome-session-fallback, log in gnome classic session, import your profile from there.
note on point 2:
settings will be remembered on every new session but your gnome classic session will be replaced by a unity session (you can still access to gnome classic (no effects) for panel like desktop)
Summary of workarouns:
1. press Alt+F2 and run command "unity --replace" on every new session.
2. export your profile with ccsm, install gnome-session- fallback, log in gnome classic session, import your profile from there.
note on point 2:
settings will be remembered on every new session but your gnome classic session will be replaced by a unity session (you can still access to gnome classic (no effects) for panel like desktop)