Integrate SMS notifications into Event Communications using similar categories as Email, including Announcements, Reminders and Confirmation SMS.

Most importantly, we need ability to send SMS Event Announcement to members that have a status of "No Reply" for an event (filter out those that are Registered or Not Attending). In the current SMS implementation, all members will receive a text message regardless if they have responded or not. This may feel like spam to some as they have already registered with the system that they are "Attending" or "Not Attending"