* RFC 8528 yang schema mount-points:
* Made expand_dbvar and cli_dbxml mountpoint-aware (RFC 8528)
* autocli supportgenerate
* Made api_path2xml and xml2api_path mount-point-aware
* Temporar fix in clixon_custom.h: XPATH_CANONICAL_SKIP_CHECK
* `xml2xpath()`: Added `apostrophe` as 4th parameter, default 0
* removed extra assert.h includes
* Solution description using openssh and utility functions, no changes to core clixon
* Example: test/test_netconf_ssh_callhome.sh
* RESTCONF Call home not done