standardize apt-get

root/etc/cont-init.d/95-apt-get

@@ -0,0 +1,3 @@
+#!/usr/bin/with-contenv bash
+
+apt-get update

root/etc/cont-init.d/98-multilangocr

@@ -2,7 +2,6 @@
 
 if [ -n "$OCRLANG" ]; then
   echo "OCRLANG variable is set, processing the language packages"
-  apt-get update
   for i in $(echo "$OCRLANG" | tr "," " "); do
     if apt-cache show tesseract-ocr-"${i}" > /dev/null 2>&1; then
       echo "installing tesseract-ocr-${i}"