Adding check target to makefile to run eslint. Adding eslint to package.json

Makefile

@@ -5,6 +5,7 @@ GOFLAGS ?= $(GOFLAGS:)
 BUILD_NUMBER ?= $(BUILD_NUMBER:)
 
 GO=$(GOPATH)/bin/godep go
+ESLINT=web/react/node_modules/eslint/bin/eslint.js
 
 ifeq ($(BUILD_NUMBER),)
 	BUILD_NUMBER := dev
@@ -62,6 +63,10 @@ install:
 
 	@cd web/react/ && npm install
 
+check: install
+	@echo Running ESLint...
+	@$(ESLINT) web/react/components/*
+
 test: install
 	@mkdir -p logs
 	@$(GO) test $(GOFLAGS) -run=$(TESTS) -test.v -test.timeout=180s ./api || exit 1