Add Assembly App objects and some python bindings

Make Part working

src/Mod/Assembly/App/ItemPyImp.cpp

@@ -0,0 +1,34 @@
+
+#include "PreCompiled.h"
+
+#include "Mod/Assembly/App/Item.h"
+
+// inclusion of the generated files (generated out of ItemPy.xml)
+#include "ItemPy.h"
+#include "ItemPy.cpp"
+
+using namespace Assembly;
+
+// returns a string which represents the object e.g. when printed in python
+std::string ItemPy::representation(void) const
+{
+    return std::string("<Item object>");
+}
+
+
+
+
+
+
+
+PyObject *ItemPy::getCustomAttributes(const char* /*attr*/) const
+{
+    return 0;
+}
+
+int ItemPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
+{
+    return 0; 
+}
+
+