Placed all types and functions in network.f90 in a module NetworkModule.
Placed all types and functions in network.f90 in a module NetworkModule.

Fortran seems to require that functions be contained within modules, hence
this change.

jwallen/RMG-Java,enochd/RMG-Java,faribas/RMG-Java,rwest/RMG-Java,nyee/RMG-Java,rwest/RMG-Java,keceli/RMG-Java,enochd/RMG-Java,faribas/RMG-Java,connie/RMG-Java,nyee/RMG-Java,KEHANG/RMG-Java,keceli/RMG-Java,faribas/RMG-Java,connie/RMG-Java,keceli/RMG-Java,KEHANG/RMG-Java,jwallen/RMG-Java,rwest/RMG-Java,enochd/RMG-Java,keceli/RMG-Java,connie/RMG-Java,rwest/RMG-Java,connie/RMG-Java,faribas/RMG-Java,nyee/RMG-Java,KEHANG/RMG-Java,jwallen/RMG-Java,nyee/RMG-Java,jwallen/RMG-Java,KEHANG/RMG-Java,enochd/RMG-Java,enochd/RMG-Java,ReactionMechanismGenerator/RMG-Java,KEHANG/RMG-Java,nyee/RMG-Java,keceli/RMG-Java,ReactionMechanismGenerator/RMG-Java,jwallen/RMG-Java,ReactionMechanismGenerator/RMG-Java,rwest/RMG-Java,jwallen/RMG-Java,ReactionMechanismGenerator/RMG-Java,ReactionMechanismGenerator/RMG-Java,enochd/RMG-Java,KEHANG/RMG-Java,keceli/RMG-Java,connie/RMG-Java,nyee/RMG-Java