added link to crunch executable upgrade shell script gist

macOS GUI installer v2.1.0

changelog update for v2.0.2

Crunch macOS GUI installer v2.0.1

fix image size in test file (updated for v2.0.0)

updated makefile targets

v1.0.1 installer build

v1.0.0 installer checksum

v0.10.0 installer build

v0.9.0 installer added