Fixed bug where boolean variables might not be set to their default values...

Fixed bug where boolean variables might not be set to their default values when not given in the input file, added option for fixed cloud

src/module_definitions.f90

@@ -254,6 +254,7 @@ module definitions
       logical gridcloud
       logical centerptcloud
       logical compaction
+      logical fixed_cloud
       logical,dimension(:),pointer::surface_for_mat_props
       integer nmpi
       integer matrule