[LOG4J2-1788] Create Apache Logging parent pom

This is a minimal parent pom for Apache Logging Services projects. It is
planned to be used for the various Java logging services in active
development.
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..bcb597b
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,94 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Licensed to the Apache Software Foundation (ASF) under one
+  ~ or more contributor license agreements.  See the NOTICE file
+  ~ distributed with this work for additional information
+  ~ regarding copyright ownership.  The ASF licenses this file
+  ~ to you under the Apache License, Version 2.0 (the
+  ~ "License"); you may not use this file except in compliance
+  ~ with the License.  You may obtain a copy of the License at
+  ~
+  ~   http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing,
+  ~ software distributed under the License is distributed on an
+  ~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+  ~ KIND, either express or implied.  See the License for the
+  ~ specific language governing permissions and limitations
+  ~ under the License.
+  -->
+
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.apache</groupId>
+    <artifactId>apache</artifactId>
+    <version>18</version>
+  </parent>
+
+  <groupId>org.apache.logging</groupId>
+  <artifactId>logging-parent</artifactId>
+  <packaging>pom</packaging>
+  <version>1-SNAPSHOT</version>
+
+  <name>Apache Logging Services</name>
+  <description>
+    Parent pom for Apache Logging Services projects.
+  </description>
+  <url>https://logging.apache.org/</url>
+
+  <properties>
+    <maven.compiler.source>1.7</maven.compiler.source>
+    <maven.compiler.target>1.7</maven.compiler.target>
+  </properties>
+
+  <scm>
+    <connection>scm:git:git://git.apache.org/logging-parent.git</connection>
+    <developerConnection>scm:git:https://git-wip-us.apache.org/repos/asf/logging-parent.git</developerConnection>
+    <url>https://git-wip-us.apache.org/repos/asf?p=logging-parent.git</url>
+  </scm>
+
+  <ciManagement>
+    <system>Jenkins</system>
+    <!-- TODO -->
+    <url>https://builds.apache.org/job/???/</url>
+  </ciManagement>
+
+  <mailingLists>
+    <mailingList>
+      <name>log4j-user</name>
+      <subscribe>log4j-user-subscribe@logging.apache.org</subscribe>
+      <unsubscribe>log4j-user-unsubscribe@logging.apache.org</unsubscribe>
+      <post>log4j-user@logging.apache.org</post>
+      <archive>https://lists.apache.org/list.html?log4j-user@logging.apache.org</archive>
+      <otherArchives>
+        <otherArchive>http://mail-archives.apache.org/mod_mbox/logging-log4j-user/</otherArchive>
+        <otherArchive>http://marc.info/?l=log4j-user</otherArchive>
+        <otherArchive>http://dir.gmane.org/gmane.comp.jakarta.log4j.user</otherArchive>
+      </otherArchives>
+    </mailingList>
+    <mailingList>
+      <name>log4j-dev</name>
+      <subscribe>log4j-dev-subscribe@logging.apache.org</subscribe>
+      <unsubscribe>log4j-dev-unsubscribe@logging.apache.org</unsubscribe>
+      <post>log4j-dev@logging.apache.org</post>
+      <archive>https://lists.apache.org/list.html?log4j-dev@logging.apache.org</archive>
+      <otherArchives>
+        <otherArchive>http://mail-archives.apache.org/mod_mbox/logging-log4j-dev/</otherArchive>
+        <otherArchive>http://marc.info/?l=log4j-dev</otherArchive>
+        <otherArchive>http://dir.gmane.org/gmane.comp.jakarta.log4j.devel</otherArchive>
+      </otherArchives>
+    </mailingList>
+  </mailingLists>
+
+  <issueManagement>
+    <system>JIRA</system>
+    <url>https://issues.apache.org/jira/browse/LOG4J2</url>
+  </issueManagement>
+
+  <!-- TODO: add other common metadata from log4j2's parent pom -->
+
+</project>