Summary
- gcc-9: add version 9.1 with illumos patches (commit: 29141e9) (details)
- Reset BRANCHID to 2019.0.0.x (commit: 8a5e2e4) (details)
- Convert oi-userland tools to Python 3.5 (commit: fb10bab) (details)
- illumos-gate: tools should use Python 3 modules (commit: cf16ec8) (details)