Release v1.7.0 on 2022-06-28.

1. 04bfb71 treewide: remove FSF address by Oliver Smith · 2 years, 6 months ago
2. 6a90c72 exec: osmo_system_nowait2: initalize *pw pointer with NULL by Philipp Maier · 4 years, 1 month ago
3. f3cc731 exec: Introduce osmo_system_nowait2() to allow specify a user by Harald Welte · 4 years, 2 months ago
4. 979c3b7 exec: propogate errors from osmo_environment_[filter|append] by Vadim Yanitskiy · 4 years, 4 months ago
5. d419f65 exec: prevent uninitialized memory access in osmo_system_nowait() by Vadim Yanitskiy · 4 years, 4 months ago
6. c6a8697 Introduce helper functions for safe fork+exec of processes by Harald Welte · 4 years, 6 months ago