Rename metadata -> segmentation in Events table to play well with metabase

services/web/app/coffee/Features/Analytics/AnalyticsManager.coffee

@@ -4,8 +4,8 @@ _ = require "underscore"
 
 if !Settings.analytics?.postgres?
 	module.exports =
-		recordEvent: (user_id, event, metadata, callback = () ->) ->
-			logger.log {user_id, event, metadata}, "no event tracking configured, logging event"
+		recordEvent: (user_id, event, segmentation, callback = () ->) ->
+			logger.log {user_id, event, segmentation}, "no event tracking configured, logging event"
 			callback()
 else
 	Sequelize = require "sequelize"
@@ -21,22 +21,22 @@ else
 	Event = sequelize.define("Event", {
 		user_id: Sequelize.STRING,
 		event: Sequelize.STRING,
-		metadata: Sequelize.JSON
+		segmentation: Sequelize.JSON
 	})
 
 	module.exports =
-		recordEvent: (user_id, event, metadata = {}, callback = (error) ->) ->
+		recordEvent: (user_id, event, segmentation = {}, callback = (error) ->) ->
 			if user_id? and typeof(user_id) != "string"
 				user_id = user_id.toString()
 			if user_id == Settings.smokeTest?.userId
 				# Don't record smoke tests analytics
 				return callback()
 			Event
-				.create({ user_id, event, metadata })
+				.create({ user_id, event, segmentation })
 				.then(
 					(result) -> callback(),
 					(error) ->
-						logger.err {err: error, user_id, event, metadata}, "error recording analytics event"
+						logger.err {err: error, user_id, event, segmentation}, "error recording analytics event"
 						callback(error)
 				)