Added SMTP config note for Google email accounts
Added SMTP config note for Google email accounts

Added note for step necessary to configure a Google email account for use w/SFM notifications.
gwu-libraries/sfm,gwu-libraries/sfm-ui,gwu-libraries/sfm,gwu-libraries/sfm-ui,gwu-libraries/sfm,gwu-libraries/sfm-ui,gwu-libraries/sfm-ui