- Added a user-configurable timeout option to webhooks.
- Added webhook fields for last-call/error datetime, in addition to last
error string, which are shown on webhook edit view.
Related to #3122
- Renamed to "ActivityLogger" to be more focused in usage.
- Extracted out query elements to seperate "ActivityQueries" class.
- Removed old 'addForEntity' activity method to limit activity record
points.