Polishing.

Update project metadata, add PJ as project lead (long overdue).

See #3154

pom.xml

@@ -41,6 +41,15 @@
 	</properties>
 
 	<developers>
+		<developer>
+			<id>sothawo</id>
+			<name>Peter-Josef Meisch</name>
+			<email>pj.meisch at sothawo.com</email>
+			<roles>
+				<role>Project Lead</role>
+			</roles>
+			<timezone>+1</timezone>
+		</developer>
 		<developer>
 			<id>biomedcentral</id>
 			<name>BioMed Central Development Team</name>
@@ -77,11 +86,6 @@
 		</developerConnection>
 	</scm>
 
-	<ciManagement>
-		<system>Bamboo</system>
-		<url>https://build.spring.io/browse/SPRINGDATAES</url>
-	</ciManagement>
-
 	<issueManagement>
 		<system>GitHub</system>
 		<url>https://github.com/spring-projects/spring-data-elasticsearch/issues</url>