Makefile: Add repo EPOCH
The git ID for the repo's EPOCH was incorrect in the Makefile
so .gitvalidation would not run correctly.
GO ?= go
-EPOCH_TEST_COMMIT ?= 1cc5a27
+EPOCH_TEST_COMMIT ?= 2b74391
PROJECT := github.com/projectatomic/libpod
GIT_BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null)
GIT_BRANCH_CLEAN := $(shell echo $(GIT_BRANCH) | sed -e "s/[^[:alnum:]]/-/g")
