Harmonize track desc display

resources/lang/en.json

@@ -136,8 +136,10 @@
 		"elevation": "Elevation",
 		"elevation_gain": "Elevation gain",
 		"elevation_loss": "Elevation loss",
+		"from": "Start",
 		"legend": "Legend",
 		"segment_length": "Segment length",
+		"to": "Finish",
 		"type": "Track type"
 	},
 	"time": {

resources/lang/es.json

@@ -136,8 +136,10 @@
 		"elevation": "Elevación",
 		"elevation_gain": "Ascenso acumulado",
 		"elevation_loss": "Descenso acumulado",
+		"from": "Inicio",
 		"legend": "Leyenda",
 		"segment_length": "Tamaño del segmento",
+		"to": "Fin",
 		"type": "Tipo de sendero"
 	},
 	"time": {

resources/lang/fr.json

@@ -136,8 +136,10 @@
 		"elevation": "Dénivelé",
 		"elevation_gain": "Dénivelé positif",
 		"elevation_loss": "Dénivelé négatif",
+		"from": "Départ",
 		"legend": "Légende",
 		"segment_length": "Taille du segment",
+		"to": "Arrivée",
 		"type": "Type de rando"
 	},
 	"time": {
@@ -149,8 +151,8 @@
 	},
 	"track": {
 		"download": "Télécharger la trace GPX",
-		"hitchhiking": "Hors rando",
-		"main": "Trajet principal",
+		"hitchhiking": "Auto-stop",
+		"main": "Itinéraire",
 		"off-track": "Variante"
 	},
 	"unit": {