Merge pull request #116 from BerkeleyLab/remove-module-keyword

Remove module keyword from abstract interface

src/inference_engine/activation_strategy_m.f90

@@ -27,7 +27,8 @@ elemental function activation_i(x) result(y)
       real(rkind) y
     end function
 
-    elemental module function function_name_i() result(string)
+    elemental function function_name_i() result(string)
+      import string_t
       implicit none
       type(string_t) string
     end function