find the year of the proect from the metadata file
tree2857cfd4b418b65c4688d8bf67ea94fb3386cfa3
-rw-r--r-- 57 .gitignore
-rw-r--r-- 2251 Build.PL
drwxr-xr-x - bin
-rw-r--r-- 352 changes
drwxr-xr-x - db
drwxr-xr-x - lib
drwxr-xr-x - t