Update HRP geo file

inc/converter.php

@@ -1,5 +1,10 @@
 <?php
 
+/**
+ * To convert a gpx file:
+ * 1. Add file <file_name>.gpx to geo/ folder
+ * 2. Assign file to project: UPDATE projects SET geofile = '<file_name>.geojson'
+ */
 class Converter extends PhpObject {
 	
 	const GPX_EXT = '.gpx';

inc/feed.php

@@ -1,5 +1,12 @@
 <?php
 
+/**
+ * Feed Class
+ * Also takes care of spot (device) & messages
+ * 
+ * To add a new feed, create a new records in the feed table:
+ * INSERT INTO feeds (ref_feed_id, id_spot, id_project) VALUES ('<feed_id>', '<related_spot_id>', '<related_project_id>');
+ */
 class Feed extends PhpObject {
 	
 	//Spot feed
@@ -20,7 +27,6 @@ class Feed extends PhpObject {
 	
 	private $iFeedId;
 	private $sRefFeedId;
-	
 	private $iLastUpdate;
 	
 	public function __construct(Db &$oDb, $iFeedId) {
@@ -65,7 +71,7 @@ class Feed extends PhpObject {
 		
 		if(!empty($asMsgs))
 		{
-			//Update Spot Info
+			//Update Spot Info from the first message
 			$asFirstMsg = array_values($asMsgs)[0];
 			$asSpotInfo = array(
 				'ref_spot_id'	=> $asFirstMsg['messengerId'],