A graphique view of accesses inspired by tracectory

[ampotos]

The graph view showing the memory access of tracectory (https://bitbucket.org/oebeling/tracectory/wiki/Home) may be en insteresting feature for dynstruct.
Focused on the memory accesses and using the data actually gathered (just need to add a tim notion somewhere cf #15) it may be en easy way to see what where and when the allocated memory is used.