Remove unused cgo and split debug/non-debug asset builds

It's now much harder to accidentally build a release with debug or old assets.

Makefile

@@ -2,39 +2,49 @@
 # make -j4 release
 
 VERSION=$(shell git describe)
-LDFLAGS=-ldflags "-s -w -X main.version=${VERSION} -X main.hotCodeReloading=false" -a -installsuffix cgo
+LDFLAGS=-ldflags "-X main.version=${VERSION}"
 
 .PHONY: build
-build:
-	go-bindata static/... templates/...
+build: bindata.go
 	go build ${LDFLAGS}
 
+STATICFILES := $(wildcard static/*)
+TEMPLATES := $(wildcard templates/*)
+bindata.go: $(STATICFILES) $(TEMPLATES)
+	go-bindata -tags '!debug' static/... templates/...
+
+bindata-debug.go: $(STATICFILES) $(TEMPLATES)
+	go-bindata -tags 'debug' -o bindata-debug.go -debug static/... templates/...
+
+.PHONY: devel
+devel: bindata-debug.go
+	go build -tags debug
+
 .PHONY: quick
-quick:
-	go-bindata -debug static/... templates/...
-	go build -ldflags "-X main.hotCodeReloading=true"
+quick: bindata.go
+	go build
 
 .PHONY: linuxarm
-linuxarm:
+linuxarm: bindata.go
 	env GOOS=linux GOARCH=arm go build ${LDFLAGS} -o dist/cowyo_linux_arm
 	#cd dist && upx --brute cowyo_linux_arm
 
 .PHONY: linux32
-linux32:
+linux32: bindata.go
 	env GOOS=linux GOARCH=386 go build ${LDFLAGS} -o dist/cowyo_linux_32bit
 	#cd dist && upx --brute cowyo_linux_32bit
 
 .PHONY: linux64
-linux64:
+linux64: bindata.go
 	env GOOS=linux GOARCH=amd64 go build ${LDFLAGS} -o dist/cowyo_linux_amd64
 
 .PHONY: windows
-windows:
+windows: bindata.go
 	env GOOS=windows GOARCH=amd64 go build ${LDFLAGS} -o dist/cowyo_windows_amd64.exe
 	#cd dist && upx --brute cowyo_windows_amd64.exe
 
 .PHONY: osx
-osx:
+osx: bindata.go
 	env GOOS=darwin GOARCH=amd64 go build ${LDFLAGS} -o dist/cowyo_osx_amd64
 	#cd dist && upx --brute cowyo_osx_amd64