Sync with underscore-java.

Author: javadev

README.md

@@ -96,6 +96,7 @@ U.Builder builder = U.objectBuilder()
         .add(U.objectBuilder()
             .add("streetAddress", "21 2nd Street")
             .add("city", "New York")
+            .addNull("cityId")
             .add("state", "NY")
             .add("postalCode", "10021")))
     .add("phoneNumber", U.arrayBuilder()
@@ -108,7 +109,7 @@ U.Builder builder = U.objectBuilder()
 System.out.println(builder.toJson());
 System.out.println(builder.toXml());
 ```
-```json
+```javascript
 {
   "firstName": "John",
   "lastName": "Smith",
@@ -117,6 +118,7 @@ System.out.println(builder.toXml());
     {
       "streetAddress": "21 2nd Street",
       "city": "New York",
+      "cityId": null,
       "state": "NY",
       "postalCode": "10021"
     }
@@ -142,6 +144,7 @@ System.out.println(builder.toXml());
   <address array="true">
     <streetAddress>21 2nd Street</streetAddress>
     <city>New York</city>
+    <cityId null="true"/>
     <state>NY</state>
     <postalCode>10021</postalCode>
   </address>

pom-central.xml

@@ -132,7 +132,7 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>[4.1.1,)</version>
+      <version>[4.2.0,)</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom-central17.xml

@@ -135,7 +135,7 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>[4.1.1,)</version>
+      <version>[4.2.0,)</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom-pack.xml

@@ -251,7 +251,7 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>[4.1.1,)</version>
+      <version>[4.2.0,)</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom-pack17.xml

@@ -246,7 +246,7 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>[4.1.1,)</version>
+      <version>[4.2.0,)</version>
       <scope>test</scope>
     </dependency>
   </dependencies>

pom.xml

@@ -217,7 +217,7 @@
     <dependency>
       <groupId>org.awaitility</groupId>
       <artifactId>awaitility</artifactId>
-      <version>[4.1.1,)</version>
+      <version>[4.2.0,)</version>
       <scope>test</scope>
     </dependency>
   </dependencies>