connection: new version parser, require only one number
connection: new version parser, require only one number

Instead of strictly requiring three numbers separated by a point,
require only one.  Don't cite the malformed line in the error message.

psych0tik/libmpdclient2,psych0tik/libmpdclient2,sl0th/libmpdclient,cmende/libmpdclient,cmende/libmpdclient,jwise/libmpdclient,jagleeso/libmpdclient,sl0th/libmpdclient,OpenInkpot-archive/iplinux-libmpdclient,cmende/libmpdclient,OpenInkpot-archive/iplinux-libmpdclient,yusiwen/libmpdclient,yusiwen/libmpdclient,jagleeso/libmpdclient,sl0th/libmpdclient,jwise/libmpdclient,yusiwen/libmpdclient,jagleeso/libmpdclient,jwise/libmpdclient