Added Group labels API support (#481)

README.md

@@ -53,7 +53,7 @@ To utilize GitLab4J™ API in your Java project, simply add the following de
 ```java
 dependencies {
     ...
-    compile group: 'org.gitlab4j', name: 'gitlab4j-api', version: '4.14.0'
+    compile group: 'org.gitlab4j', name: 'gitlab4j-api', version: '4.14.1'
 }
 ```
 
@@ -64,7 +64,7 @@ dependencies {
 <dependency>
     <groupId>org.gitlab4j</groupId>
     <artifactId>gitlab4j-api</artifactId>
-    <version>4.14.0</version>
+    <version>4.14.1</version>
 </dependency>
 ```
 

pom.xml

@@ -5,7 +5,7 @@
 	<groupId>org.gitlab4j</groupId>
 	<artifactId>gitlab4j-api</artifactId>
 	<packaging>jar</packaging>
-	<version>4.14.1-SNAPSHOT</version>
+	<version>4.14.2-SNAPSHOT</version>
 	<name>GitLab4J-API - GitLab API Java Client</name>
 	<description>GitLab4J-API (gitlab4j-api) provides a full featured Java client library for working with GitLab repositories and servers via the GitLab REST API.</description>
 	<url>https://github.com/gitlab4j/gitlab4j-api</url>