FIX N1: when user click on the logo button in channelmanager to choose his own icon and masterlockcode is set, the password dialog appears twice
FIX N2: when a user set its own icon for the pvr logo, this one is reset to null  upon xbmc restart because UserSetIcon flag is not set
FIX N3: if an userseticon does not exists anymore it wil never be deleted from the database cause updatefromclient do not check for userseticons
FIX N4: If a user set a custom name for the pvr channel, this name should be used too when searching icons