release_2.1.0
Adds 64-bit uninitialized-read support to Windows.
Adds automated generation of system call information on Windows, enabling
running on new releases of Windows 10 without manual updates.
For further details see the changelist at
https://github.com/DynamoRIO/drmemory/blob/release_2.1.0/drmemory/docs/release.dox#L63.