add better startup and shutdown msgs

Makefile

@@ -1,4 +1,5 @@
 VERSION := $(shell git rev-parse --short HEAD)
+COMMIT := $(shell git log --pretty=format:"%H" -1)
 BUILDTIME := $(shell date -u '+%Y-%m-%dT%H:%M:%SZ')
 BUILDTIMEFILENAME := $(shell date -u '+%Y%m%d-%H%M%SZ')
 BUILDTIMETAG := $(shell date -u '+%Y%m%d%H%M%S')
@@ -12,6 +13,7 @@ IMAGENAME := sneak/$(FN)
 UNAME_S := $(shell uname -s)
 
 GOLDFLAGS += -X main.Version=$(VERSION)
+GOLDFLAGS += -X main.Commit=$(COMMIT)
 GOLDFLAGS += -X main.Buildarch=$(BUILDARCH)
 
 # osx can't statically link apparently?!