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/data/contexts.xsd

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ 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/>.
+  -->
+<xs:schema version="1.0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
+    <xs:element name="scriptinfo" type="scriptInfo"/>
+    
+    <xs:element name="scriptlist" type="scriptList"/>
+    
+    <xs:complexType name="scriptList">
+        <xs:sequence>
+            <xs:element ref="scriptinfo" minOccurs="0" maxOccurs="unbounded"/>
+        </xs:sequence>
+    </xs:complexType>
+    
+    <xs:complexType name="scriptInfo">
+        <xs:sequence>
+            <xs:element ref="scriptinfo" minOccurs="0" maxOccurs="unbounded"/>
+            <xs:element name="library" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
+            <xs:element name="compiler" type="xs:string" minOccurs="0" maxOccurs="1"/>
+        </xs:sequence>
+        <xs:attribute name="root" type="xs:string" use="required"/>
+    </xs:complexType>
+</xs:schema>