Added CLI option for static condensation.
Removed include of Epetra_CrsMatrix from LinearTerm.h; replacing with a forward declaration and an include in the .cpp file.
Added "using namespace Camellia" to various .cpp files to make up for removing from BasisCache.h
using namespace Camellia.
Putting MultiBasis and VectorizedBasis into namespace Camellia.
Adding Camellia:: to Basis type in .h file.  Defining BasisFactoryPtr.
Added Camellia:: qualifier to VectorBasisPtr.
using namespace Camellia.
Added Camellia:: qualifier.
using namespace Camellia.
Added arguments so that matrix output will exclude headers.