tree 924cd809f63cdbca8b0a0d0255a08614feacf560
parent 67f7da2de299f4f9ab58718aafce336012035cd8
author DennyZhang <denny@unitedstack.com> 1381468342 -0500
committer DennyZhang <denny@unitedstack.com> 1381468350 -0500

mute useless console output, when run ./stack.sh

Run ./stack.sh will dump ~400 lines of information, because of
tar xvfz pip-*.tar.gz, and python setup.py install.

We'd better mute stdout for the two steps, to make console cleaner

Change-Id: Icf87947e020acb48d8cbe4cdcc1641f060e50f6d