vfc/nfvo/lcm - NS lifecycle management

Age	Commit message (Expand)	Author	Files	Lines
2019-04-10	Update vfc doc	yangyan	2	-2/+2
2019-04-09	update vfc doc	yangyan	6	-8/+11
2019-04-04	add more docutment in lcm	liuyuan	5	-0/+731