Update pom.xml with repo name template.

pom.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <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>
-    <groupId>moe.nekojimi</groupId>
-    <artifactId>JavaMavenTemplate</artifactId>
+    <groupId>moe.${REPO_OWNER_LOWER}</groupId>
+    <artifactId>${REPO_NAME_PASCAL}</artifactId>
     <version>1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
     <properties>
@@ -25,7 +25,7 @@
                         <configuration>
                             <transformers>
                                 <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-                                    <mainClass>moe.nekojimi.template.Main</mainClass>
+                                    <mainClass>moe.${REPO_OWNER_LOWER}.${REPO_NAME_LOWER}.Main</mainClass>
                                 </transformer>
                             </transformers>
                             <minimizeJar>true</minimizeJar>