Display memory in bytes instead of MB for consistency

- Changed output to show bytes instead of MB
- Updated header to show 'Minne (bytes)'
- Better for comparing memory usage across all languages
- Memory data already collected in bytes from ps command

timelines/Fortran/run_1.tsv

@@ -1,2 +1 @@
-8 1818624 0
-32 1818624 3
+8 491520 

timelines/Fortran/run_2.tsv

@@ -1,2 +1 @@
-9 1818624 0
-34 1818624 8
+5 0 0

timelines/Fortran/run_3.tsv

@@ -1,2 +1 @@
-9 1818624 0
-31 1818624 0
+5 0 0

timelines/Fortran/run_4.tsv

@@ -1,2 +1 @@
-9 1818624 0
-30 1818624 0
+5 0 0