Bump Graylog dependency and plugin version to 2.0.0-alpha.2

Author: bernd

pom.xml

@@ -58,7 +58,7 @@
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <tagNameFormat>@{project.version}</tagNameFormat>
-        <graylog.version>2.0.0-alpha.1</graylog.version>
+        <graylog.version>2.0.0-alpha.2</graylog.version>
         <jackson.version>2.6.2</jackson.version>
         <license-maven-plugin.version>2.10</license-maven-plugin.version>
     </properties>

src/main/java/org/graylog/plugins/usagestatistics/UsageStatsMetaData.java

@@ -24,7 +24,7 @@
 import java.util.Set;
 
 public class UsageStatsMetaData implements PluginMetaData {
-    public static final Version VERSION = new Version(2, 0, 0, "SNAPSHOT");
+    public static final Version VERSION = new Version(2, 0, 0, "alpha.2");
 
     @Override
     public String getUniqueId() {