* Fixes#453
- Update scripts/init-submodules-no-riscv-tools.sh to also work if you're in scripts/
- Provide a git version check to ensure the init scripts will work (>= 1.7.8)
- Update the documentation to be more explicit that the init script is also for updating.
* Update scripts/init-submodules-no-riscv-tools-nolog.sh
Co-Authored-By: Albert Ou <aou@eecs.berkeley.edu>