Changes from the latest stable gnuton build (386.02_2-gnuton1):
- webui: display both odmpid and productid on Sysinfo page if they differ
- webui: fix new FW notification on AiMesh routers
- Enable jitterentropy-rngd for non-HND models
- openvpn: don't set incoming client TLS errors as a local server failure in nvram's errorno
- Updated documentation
- openvpn: Updated to 2.5.2
- jitterentropy-rngd: fix crosscompiling on older GCC (For non-HND)
- jitterentropy-rngd: update to 1.2.2 (library 3.0.3)
- jitterentropy-rngd: build with -O0
- Set version to 386.2_4 for a point release
- Updated documentation
- Merge tag '386.2_4' into dsl-master