- Add av-insert-sym (Fixes #430)
- Fix incorrect return value for av_insert* calls.

Signed-off-by: Jithin Jose <jithin.jose@intel.com>
Merge branch 'pr/sockets' of https://github.com/jithinjosepkl/libfabric into pr/sockets

Conflicts:
	prov/sockets/src/sock_av.c
Merge branch 'pr/sockets' of https://github.com/jithinjosepkl/libfabric into pr/sockets