Removed unnecessary ant tasks.

Added page with task descriptions, links and licenses.

SDT/schema2.0/docs/SDT Build System Components and Licenses.md

+# Build System Libraries and Licenses
+The following libraries are used in the build system for the SDT.
+
+## trang.jar
+
+[http://www.thaiopensource.com/relaxng/trang-manual.html](http://www.thaiopensource.com/relaxng/trang-manual.html)
+
+Trang takes as input a schema written in any of the following formats:
+
+- RELAX NG (XML syntax)
+- RELAX NG (compact syntax)
+- XML 1.0 DTD
+
+and produces as output a schema written in any of the following formats:
+
+- RELAX NG (XML syntax)
+- RELAX NG (compact syntax)
+- XML 1.0 DTD
+- W3C XML Schema
+
+Trang can also infer a schema from one or more example XML documents.
+
+
+### License
+Copyright (c) 2002, 2003, 2008 Thai Open Source Software Center Ltd
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+- Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+- Neither the name of the Thai Open Source Software Center Ltd nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+## Ant-Contrib Tasks
+
+[http://ant-contrib.sourceforge.net](http://ant-contrib.sourceforge.net)
+
+The Ant-Contrib project is a collection of tasks (and at one point maybe types and other tools) for Apache Ant.
+
+### License 
+
+This Software is distributed under the Apache Software License.
+
+## antSetLogLevel.jar
+
+GUI dialog for Ant tasks.
+
+Source: Deutsche Telekom
+
+
+