Add Assembly App objects and some python bindings

Make Part working

src/Mod/Assembly/App/ItemAssemblyPyImp.cpp

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