Use grunt for building

Add shell commands to gruntfile for local dev.

Build binary if needed for `grunt build`, always build for `grunt release`. Exclude unused assets from jquery.gritter and vis.

Remove Makefile

Makefile

@@ -1,32 +0,0 @@
-.PHONY: build run
-
-.SUFFIXES:
-
-OPEN = $(shell which xdg-open || which open)
-PORT ?= 9000
-
-install:
-	npm install -g grunt-cli
-	npm install
-
-build:
-	grunt build
-	docker build --rm -t dockerui .
-
-build-release:
-	grunt build
-	docker run --rm -v $(shell pwd):/src centurylink/golang-builder
-	shasum dockerui > dockerui-checksum.txt
-
-test:
-	grunt
-
-run:
-	-docker stop dockerui
-	-docker rm dockerui
-	docker run -d -p $(PORT):9000 -v /var/run/docker.sock:/docker.sock --name dockerui dockerui -e /docker.sock 
-
-open:
-	$(OPEN) localhost:$(PORT)
-
-