Adds ordered_pip script back in.

The pandas dependency on numpy was causing pandas installation to fail.
Reviving the ordered_pip script in since it helps explicitly install
numpy before pandas.

etc/ordered_pip.sh

@@ -0,0 +1,11 @@
+#!/bin/bash -e
+
+a=0
+while read line
+do     
+    if [[ -n "$line" && "$line" != \#* ]] ; then
+        pip install $line
+    fi
+    ((a = a + 1))
+done < $1
+echo "$0: Final package count is $a";