Log Message:
Updating net/p5-Nmap-Parser from 1.19 to 1.20

Upstream changes:
Changes for 1.20
	- Solved Issue 2: Host-specific start_time and end_time.
	- Applied Patch provided by briandlong on retrieving
	  start_time and end_time attributes for host.
	- Solved Issue 6: _del_port not removing port 0.
	- Thomas Equeter submitted patch to support traceroute in nmap
	  output.