Added initial source code

GenCompiler.java

Parser.java

build.xml

examples/x3d-3.0.xsd

tools/jastadd2.jar

tools/javacc-4.0/LICENSE

tools/javacc-4.0/bin/javacc

tools/javacc-4.0/bin/javacc.bat

tools/javacc-4.0/bin/jjdoc

tools/javacc-4.0/bin/jjdoc.bat

tools/javacc-4.0/bin/jjtree

tools/javacc-4.0/bin/jjtree.bat

tools/javacc-4.0/bin/lib/javacc.jar

tools/javacc-4.0/doc/CharStream.html

tools/javacc-4.0/doc/JJDoc.html

tools/javacc-4.0/doc/JJTree.html

tools/javacc-4.0/doc/apiroutines.html

tools/javacc-4.0/doc/commandline.html

tools/javacc-4.0/doc/docindex.html

tools/javacc-4.0/doc/errorrecovery.html