* add ValaLibxml2Test.vala to wscript_build so it can be built with waf; add ../vapi to vapi_dirs so we can find our custom libxml-2.0.vapi
* add ValaLibxml2Test.vala to wscript_build so it can be built with waf; add ../vapi to vapi_dirs so we can find our custom libxml-2.0.vapi

GNOME/gxml,GNOME/gxml,GNOME/gxml,GNOME/gxml