Make subscribing and watching a calendar from a macro view more discoverable

When a macro is embedded on a page (month/week/list views) we should

• Show below the macro the calendar(s) that are displayed
• Provide the ability for a user to "subscribe (and/or watch)" to each calendar embedded. We can use this opportunity to make the mycalendars.action view more discoverable.

For example, you might go to a page that has embedded the PM Travel Calendar. Below the month view it says "Calendars: PM Travel Calendar, PM Leave Calendar". Each of these could be links to the preview calendar action, making that section more discoverable. We could even put up a dialog that says "you can access this again from the Username > Calendars" menu or the dashboard link (insert screenshot here)