Added vendor dir, added promu.yml, other pacaking updates

.gitignore

@@ -1,3 +1,4 @@
 /.idea
+/.build
+/.tarballs
 /prometheus-aggregate-exporter
-/vendor

.promu.yml

@@ -0,0 +1,17 @@
+repository:
+    path: github.com/warmans/prometheus-aggregate-exporter
+build:
+    flags: -a -tags 'netgo static_build'
+    ldflags:
+tarball:
+    files:
+crossbuild:
+    platforms:
+        - linux/amd64
+        - linux/386
+        - darwin/amd64
+        - darwin/386
+        - windows/amd64
+        - windows/386
+        - netbsd/amd64
+        - netbsd/386

Makefile

@@ -0,0 +1,25 @@
+GO    := GO15VENDOREXPERIMENT=1 go
+PROMU ?= $(GOPATH)/bin/promu
+
+PREFIX  ?= $(shell pwd)
+BIN_DIR ?= $(shell pwd)
+
+.PHONY: prerequisites
+prerequisites:
+	$(GO) get -u github.com/prometheus/promu
+
+.PHONY: build
+build: prerequisites
+	@echo ">> building binaries"
+	$(PROMU) build --prefix $(PREFIX)
+
+.PHONY: crossbuild
+crossbuild: prerequisites
+	@echo ">> crossbuilding binaries"
+	$(PROMU) crossbuild
+	$(PROMU) crossbuild tarballs
+
+release:
+	#requires GITHUB_TOKEN environment variable with valid token and an
+	#already created release on github
+	$(PROMU) release

VERSION

@@ -0,0 +1 @@
+0.0.1