Error out for EAM in double precision
Error out for EAM in double precision

Updating the code to double would be tricky given the use of tex1D
interpolation. Couple that with the lack of unit tests and no current
developers are even remotely familiar with EAM......

joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue,joaander/hoomd-blue