update pom.xml for beta release (#88)

* update pom/xml for beta release

* set user agent

pom.xml

@@ -6,7 +6,7 @@
     <artifactId>bandwidth-sdk</artifactId>
     <packaging>jar</packaging>
     <name>bandwidth-sdk</name>
-    <version>9.0.0</version>
+    <version>9.0.0-beta.1</version>
     <url>https://github.com/Bandwidth/java-sdk</url>
     <description>The official client SDK for Bandwidth&#39;s Voice, Messaging, MFA, and WebRTC APIs</description>
     <scm>
@@ -23,6 +23,17 @@
         </license>
     </licenses>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
     <developers>
         <developer>
             <name>OpenAPI-Generator Contributors</name>

src/main/java/org/openapitools/client/ApiClient.java

@@ -140,7 +140,7 @@ private void init() {
         json = new JSON();
 
         // Set default User-Agent.
-        setUserAgent("OpenAPI-Generator/9.0.0/java");
+        setUserAgent("OpenAPI-Generator/9.0.0-beta.1/java");
 
         authentications = new HashMap<String, Authentication>();
     }