Add glide hash validation

Signed-off-by: Emile Vauge <emile@vauge.com>

script/validate-glide

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+source "$(dirname "$BASH_SOURCE")/.validate"
+
+grep `glide-hash` glide.lock
+if [ $? -eq 0 ]; then
+	echo 'Congratulations! glide.lock is unchanged.'
+else
+	{
+		echo "Error: glide.lock has been manually changed. Don't do this. Use glide up instead."
+		echo
+	} >&2
+	false
+fi