ERmod 0.3.1 bugfix release (only affects gromacs users)

[Shun Sakuraba]

Dear list,

ERmod 0.3.1 was released.
https://sourceforge.net/projects/ermod/files/ermod-0.3%20%28stable%29/

This version fixes a bug that only affects GROMACS users.
(gen_structure crashes when solutes / solvents molecule names use lower-case letters)
GROMACS users are encouraged to update to 0.3.1.
--
Shun SAKURABA, Ph.D.
Postdoc @ Asai Lab, Grad School of Frontier Sciences, U Tokyo