fix(reliability): pool size counts any whitespace; deploy ZIP var remote-expands

scripts/deploy.sh

@@ -195,7 +195,7 @@ REMOTE_PAYLOAD_DIR="user/$PAYLOAD_CATEGORY/$PAYLOAD_KEY"
 RELEASE_TS="$(date +%Y%m%d-%H%M%S)"
 REMOTE_COMMAND="set -e
 STAGE_DIR='/tmp/mk8-stage'
-ZIP='\$STAGE_DIR/$ZIP_NAME'
+ZIP="\$STAGE_DIR/$ZIP_NAME"
 RELDIR='/mmc/mk8/releases/$RELEASE_TS'
 PAYDIR='$REMOTE_PAYLOAD_DIR'
 LIVE=\"/root/payloads/\$PAYDIR\"