Update post-event-notification.markdown
Update post-event-notification.markdown

Converted table to sub-headings.
concur/developer.concur.com,cskelley/developer.concur.com,concur/developer.concur.com,bhague1281/developer.concur.com,cskelley/developer.concur.com,sarraloew/developer.concur.com,sarraloew/developer.concur.com,cskelley/developer.concur.com,concur/developer.concur.com,HeathH-Concur/developer.concur.com,sarraloew/developer.concur.com,cskelley/developer.concur.com,cskelley/developer.concur.com,sarraloew/developer.concur.com,sarraloew/developer.concur.com,cskelley/developer.concur.com,HeathH-Concur/developer.concur.com,bhague1281/developer.concur.com,HeathH-Concur/developer.concur.com,concur/developer.concur.com,bhague1281/developer.concur.com,HeathH-Concur/developer.concur.com,bhague1281/developer.concur.com,HeathH-Concur/developer.concur.com,bhague1281/developer.concur.com,concur/developer.concur.com