Add missing quad and tri expansions

StdRegions/StdQuadExp.cpp

+#include <boost/python.hpp>
+#include <boost/python/numpy.hpp>
+#include <StdRegions/StdQuadExp.h>
+
+using namespace Nektar;
+using namespace Nektar::StdRegions;
+
+namespace py = boost::python;
+namespace np = boost::python::numpy;
+
+void export_StdQuadExp()
+{
+    py::class_<StdQuadExp, py::bases<StdExpansion>,
+               boost::shared_ptr<StdQuadExp> >(
+                   "StdQuadExp", py::init<const LibUtilities::BasisKey&,
+                   const LibUtilities::BasisKey&>());
+}

StdRegions/StdTriExp.cpp

+#include <boost/python.hpp>
+#include <boost/python/numpy.hpp>
+#include <StdRegions/StdTriExp.h>
+
+using namespace Nektar;
+using namespace Nektar::StdRegions;
+
+namespace py = boost::python;
+namespace np = boost::python::numpy;
+
+void export_StdTriExp()
+{
+    py::class_<StdTriExp, py::bases<StdExpansion>,
+               boost::shared_ptr<StdTriExp> >(
+                   "StdTriExp", py::init<const LibUtilities::BasisKey&,
+                   const LibUtilities::BasisKey&>());
+}