Updated tracking app api v1 draft (markdown)

wiki/tracking-app-api-v1-draft.md

@@ -128,17 +128,17 @@ As general information, the tracking status of the smartphone is sent.
 
 **status** Either `start` or `stop`.
 
-## Send Locations
+## Send Measurements
 
 The main data sent by the app.
 
-Locations should be sent live during an event. In case of missing network, locations are stored to the device and uploaded in a FIFO order as soon as a connection is available.
+Measurements should be sent live during an event. In case of missing network, measurements are stored to the device and uploaded in a FIFO order as soon as a connection is available.
 
 GZIP compression is a must. Bulk uploads should be chunked, e.g. per 1,000 locations.
 
 ### Path
 
-    /event/{event_id}/competitor/{competitor_id}/locations
+    /event/{event_id}/competitor/{competitor_id}/measurements
 
 ### Verb
 
@@ -147,7 +147,7 @@ GZIP compression is a must. Bulk uploads should be chunked, e.g. per 1,000 locat
 ### Request
 
     {
-        "locations" : [
+        "measurements" : [
             {
                 "timestamp" : 14144160080000,
                 "latitude" : 54.325246,