Modularizes the Maven project

This commit modularizes the maven project into several modules:
 - l2jserver2-common: common sources for both login and gameserver
 - l2jserver2-gameserver: the game server
 - l2jserver2-loginserver: the login server
 - l2jserver2-tools: refactored src/tools/java soure folder

l2jserver2-gameserver/src/test/resources/scripting/ScriptingCompilerTest.java

@@ -0,0 +1,4 @@
+package test;
+
+public class ScriptingCompilerTest {
+}

l2jserver2-gameserver/src/test/resources/scripting/testcase.xml

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+<?xml version='1.0' encoding='UTF-8' ?>
+
+<!--
+  ~ This file is part of l2jserver.
+  ~
+  ~ l2jserver is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by
+  ~ the Free Software Foundation, either version 3 of the License, or
+  ~ (at your option) any later version.
+  ~
+  ~ l2jserver is distributed in the hope that it will be useful,
+  ~ but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~ GNU General Public License for more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License
+  ~ along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<scriptlist xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:noNamespaceSchemaLocation="../../contexts.xsd">
+    <scriptinfo root="./src/test/resources/scripting"/>
+</scriptlist>

l2jserver2-gameserver/src/test/resources/test-config.xml

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+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<configuration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="configuration configuration.xsd"
+	xsi:noNamespaceSchemaLocation="configuration">
+<configuration>
+	<test>
+		<testvalue>test</testvalue>
+		<integer>256</integer>
+	</test>
+</configuration>