Moved Spout plugin to separate Maven profile.

This was done so that WorldEdit doesn't break during compilation out of the blue. To compile WorldEdit with spout, use "mvn -Pspout".

pom.xml

@@ -96,18 +96,6 @@
       <scope>compile</scope>
       <optional>true</optional>
     </dependency>
-    <dependency>
-      <groupId>org.spout</groupId>
-      <artifactId>spoutapi</artifactId>
-      <version>dev-SNAPSHOT</version>
-      <optional>true</optional>
-    </dependency>
-    <dependency>
-      <groupId>org.spout</groupId>
-      <artifactId>vanilla</artifactId>
-      <version>1.3.2-SNAPSHOT</version>
-      <optional>true</optional>
-    </dependency>
   </dependencies>
   <distributionManagement>
     <site>
@@ -272,4 +260,46 @@
       </plugin>
     </plugins>
   </build>
+  <profiles>
+    <profile>
+      <id>spout</id>
+      <dependencies>
+        <dependency>
+          <groupId>org.spout</groupId>
+          <artifactId>spoutapi</artifactId>
+          <version>dev-SNAPSHOT</version>
+          <optional>true</optional>
+        </dependency>
+        <dependency>
+          <groupId>org.spout</groupId>
+          <artifactId>vanilla</artifactId>
+          <version>1.3.2-SNAPSHOT</version>
+          <optional>true</optional>
+        </dependency>
+      </dependencies>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.codehaus.mojo</groupId>
+            <artifactId>build-helper-maven-plugin</artifactId>
+            <version>1.5</version>
+            <executions>
+              <execution>
+                <id>add-sources</id>
+                <phase>generate-sources</phase>
+                <goals>
+                  <goal>add-source</goal>
+                </goals>
+                <configuration>
+                  <sources>
+                    <source>${basedir}/src/spout/java</source>
+                  </sources>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+  </profiles>
 </project>