Updated direction fixtures, added weight and weightName apis (#438)

* updated fixtures, added weight and weightName apis

* cleaned up fixture

Author: Cameron Mace

mapbox/libjava-services/src/main/java/com/mapbox/services/api/directions/v5/DirectionsCriteria.java

@@ -83,6 +83,12 @@ public class DirectionsCriteria {
    */
   public static final String OVERVIEW_FALSE = "false";
 
+  public static final String WEIGHT_NAME_ROUTABILITY = "routability";
+
+  public static final String WEIGHT_NAME_DISTANCE = "distance";
+  public static final String WEIGHT_NAME_DURATION = "duration";
+
+
   /**
    * The duration, in seconds, between each pair of coordinates.
    *

mapbox/libjava-services/src/main/java/com/mapbox/services/api/directions/v5/models/DirectionsRoute.java

@@ -1,5 +1,7 @@
 package com.mapbox.services.api.directions.v5.models;
 
+import com.google.gson.annotations.SerializedName;
+
 import java.util.List;
 
 /**
@@ -12,6 +14,9 @@ public class DirectionsRoute {
   private double distance;
   private double duration;
   private String geometry;
+  private double weight;
+  @SerializedName("weight_name")
+  private String weightName;
   private List<RouteLeg> legs;
 
   public DirectionsRoute() {
@@ -38,6 +43,22 @@ public void setDistance(double distance) {
     this.distance = distance;
   }
 
+  public String getWeightName() {
+    return weightName;
+  }
+
+  public void setWeightName(String weightName) {
+    this.weightName = weightName;
+  }
+
+  public double getWeight() {
+    return weight;
+  }
+
+  public void setWeight(double weight) {
+    this.weight = weight;
+  }
+
   /**
    * The estimated travel time from origin to destination.
    *

mapbox/libjava-services/src/main/java/com/mapbox/services/api/directions/v5/models/LegStep.java

@@ -24,6 +24,8 @@ public class LegStep {
   @SerializedName("rotary_pronunciation")
   private String rotaryPronunciation;
   private StepManeuver maneuver;
+
+  private double weight;
   private List<StepIntersection> intersections;
 
   public LegStep() {
@@ -39,6 +41,26 @@ public LegStep(String name, String rotaryName, StepManeuver maneuver) {
     this.maneuver = maneuver;
   }
 
+  /**
+   * Specifies a decimal precision of edge weights, default value 1.
+   *
+   * @return a decimal precision double value.
+   * @since 2.1.0
+   */
+  public double getWeight() {
+    return weight;
+  }
+
+  /**
+   * Specifies a decimal precision of edge weights, default value 1.
+   *
+   * @param weight double value representing the edge weight.
+   * @since 2.1.0
+   */
+  public void setWeight(double weight) {
+    this.weight = weight;
+  }
+
   /**
    * The distance traveled from the maneuver to the next {@link LegStep}.
    *