Facilitate access to all public module entities via one "sourcery_m" module

src/sourcery_m.f90

@@ -0,0 +1,18 @@
+module sourcery_m
+  !! export all public entities from every other sourcery module
+  implicit none
+
+  use command_line_m
+  use string_m
+  use file_m
+  use test_result_m
+  use formats_m
+  use oracle_m
+  use object_m
+  use user_defined_collectives_m
+  use data_partition_m
+  use test_m
+  use units_m
+  use co_object_m
+
+end module sourcery_m