Update Forge implementation and added build script.

Including:
* Update to new MCP names
* Adding of an build script (see maven 'forge' profile)
* Adding of an regeneration code
* Simplifying of the command registration
* Added command usage description to avoid empty help pages
* Added missing raw information
* Used a WeakReference as world reference to avoid keeping a world in memory
* Added mcmod.info
* Fixed player orientation
* Fixed printRaw not splitting the message correct

pom.xml

@@ -304,6 +304,39 @@
   </build>
   
   <profiles>
+    <!-- Build WorldEdit for MC-Forge -->
+    <profile>
+      <id>forge</id>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-antrun-plugin</artifactId>
+            <version>1.7</version>
+            <executions>
+              <execution>
+                <phase>compile</phase>
+                <configuration>
+                  <target>
+                    <property name="maven.build.directory"   value="${project.build.directory}"/>
+                    <property name="jchronic.path"           value="${maven.dependency.com.sk89q.jchronic.jar.path}"/>
+                    <property name="truezip.path"            value="${maven.dependency.de.schlichtherle.truezip.jar.path}"/>
+                    <property name="rhino.path"              value="${maven.dependency.rhino.js.jar.path}"/>
+                    <property name="snakeyaml.path"          value="${maven.dependency.org.yaml.snakeyaml.jar.path}"/>
+                    <property name="we.version"              value="${project.version}"/>
+                    <ant antfile="src/forge/ant/build.xml"/>
+                  </target>
+                </configuration>
+                <goals>
+                  <goal>run</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+
     <!-- Attach javadocs and source .jars -->
     <profile>
       <id>attach-docs</id>