Added missing libxml2 and libz bin directories; caused by my overzealous .hgignore file.

--
user: Michael Guravage <michael.guravage@cwi.nl>
branch 'default'
added lib/libxml2/bin/runsuite.exe
added lib/libxml2/bin/runtest.exe
added lib/libxml2/bin/testAutomata.exe
added lib/libxml2/bin/testC14N.exe
added lib/libxml2/bin/testHTML.exe
added lib/libxml2/bin/testModule.exe
added lib/libxml2/bin/testReader.exe
added lib/libxml2/bin/testRegexp.exe
added lib/libxml2/bin/testRelax.exe
added lib/libxml2/bin/testSAX.exe
added lib/libxml2/bin/testSchemas.exe
added lib/libxml2/bin/testThreadsWin32.exe
added lib/libxml2/bin/testURI.exe
added lib/libxml2/bin/testXPath.exe
added lib/libxml2/bin/testapi.exe
added lib/libxml2/bin/xmlcatalog.exe
added lib/libxml2/bin/xmllint.exe
added lib/libz/bin/libz-1.dll
added lib/libz/bin/zlib1.dll
changed src/ChangeLog
changed src/VirtualLeaf-install.nsi