Merge branch 'master' of https://framagit.org/obarun/66

build_toolchain.sh

 #!/bin/sh
 
-skalibs_tag="v2.9.1.0"
-execline_tag="v2.5.3.0"
-s6_tag="v2.9.0.1"
-s6_rc_tag="v0.5.1.1"
-oblibs_tag="v0.0.5.1"
+skalibs_tag="v2.9.2.1"
+execline_tag="v2.6.0.1"
+s6_tag="v2.9.1.0"
+s6_rc_tag="v0.5.1.2"
+oblibs_tag="v0.1.0.0"
 
 ## skalibs
 build_skalibs() {