Add Aleksandr Mashchenko to list of developers and correct roles
diff --git a/pom.xml b/pom.xml
index 0b92acd..7a2be51 100755
--- a/pom.xml
+++ b/pom.xml
@@ -315,7 +315,15 @@
             <id>ghuber</id>
             <email>ghuber at apache.org</email>
             <roles>
-                <role>Committer</role>
+                <role>PMC Member</role>
+            </roles>
+        </developer>
+        <developer>
+            <name>Aleksandr Mashchenko</name>
+            <id>amashchenko</id>
+            <email>amashchenko at apache.org</email>
+            <roles>
+                <role>PMC Member</role>
             </roles>
         </developer>
     </developers>