Improve maps.yml. Fixes BUKKIT-4419

Additionally fixed Minecart's interface to map INVALID methods.

By: Wesley Wolfe <weswolf@aol.com>

paper-server/pom.xml

@@ -294,10 +294,35 @@
             </excludes>
         </configuration>
       </plugin>
+      <plugin>
+        <artifactId>maven-resources-plugin</artifactId>
+        <version>2.4.3</version>
+        <executions>
+          <execution>
+            <id>maps-file</id>
+            <phase>package</phase>
+            <goals>
+              <goal>copy-resources</goal>
+            </goals>
+            <configuration>
+              <outputDirectory>${basedir}/target</outputDirectory>
+              <resources>
+                <resource>
+                  <directory>${basedir}</directory>
+                  <filtering>true</filtering>
+                  <includes>
+                    <include>maps.yml</include>
+                  </includes>
+                </resource>
+              </resources>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
       <plugin>
         <groupId>com.wolvereness</groupId>
         <artifactId>overmapped</artifactId>
-        <version>0.0.1</version>
+        <version>0.0.2</version>
         <executions>
           <execution>
             <phase>package</phase>
@@ -305,7 +330,7 @@
               <goal>map</goal>
             </goals>
             <configuration>
-              <maps>${basedir}/maps.yml</maps>
+              <maps>${basedir}/target/maps.yml</maps>
               <input>${basedir}/target/${project.artifactId}-${project.version}.jar</input>
               <original>${basedir}/target/unmapped-${project.artifactId}-${project.version}.jar</original>
             </configuration>