Switch to new vendor directory layout

Fixes #113

Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>

vendor/src/github.com/vishvananda/netlink/Makefile

@@ -1,29 +0,0 @@
-DIRS := \
-	. \
-	nl
-
-DEPS = \
-	github.com/vishvananda/netns
-
-uniq = $(if $1,$(firstword $1) $(call uniq,$(filter-out $(firstword $1),$1)))
-testdirs = $(call uniq,$(foreach d,$(1),$(dir $(wildcard $(d)/*_test.go))))
-goroot = $(addprefix ../../../,$(1))
-unroot = $(subst ../../../,,$(1))
-fmt = $(addprefix fmt-,$(1))
-
-all: fmt test
-
-$(call goroot,$(DEPS)):
-	go get $(call unroot,$@)
-
-.PHONY: $(call testdirs,$(DIRS))
-$(call testdirs,$(DIRS)):
-	sudo -E go test -v github.com/vishvananda/netlink/$@
-
-$(call fmt,$(call testdirs,$(DIRS))):
-	! gofmt -l $(subst fmt-,,$@)/*.go | grep ''
-
-.PHONY: fmt
-fmt: $(call fmt,$(call testdirs,$(DIRS)))
-
-test: fmt $(call goroot,$(DEPS)) $(call testdirs,$(DIRS))