Added wget package (dependency of xbps-base-chroot)

Make chroot copy etc/resolv.conf when entering
Added buggy gstreamer template (exposese some bugs of xbps.sh)
utils build now does not cleanups the dir after build

--HG--
extra : convert_revision : a36211b7dab8627f912f3b8f844d16bbcec0bc6e

xbps.sh

@@ -429,7 +429,7 @@ extract_distfiles()
 			fi
 			;;
 		*)
-			msg_error "cannot guess $curfile extract suffix."
+			msg_error "cannot guess $curfile extract suffix. ($cursufx)"
 			exit 1
 			;;
 		esac