* #234: azuremonitor webhook support for JSON payload with data.properties|properties = null
* #236: azuremonitor new format creates service as string literal, but it should be array
Some of the grammar was wrong in the comments, corrected.
Improved formatting of code.
Changed 'type' variable to be 'event_type' so as to avoid clashing with the Python inbuilt type function.
* Incoming email using mailgun
* Fallback if mailgun failed to parse as plain text
* Revert "Fallback if mailgun failed to parse as plain text"
This reverts commit 998a3f54b9.
* Fallback if mailgun failed to parse as plain text
* Timestamp is not UTC so can't be converted to alert timestamp
