linux: update install-build-deps for lucid
linux: update install-build-deps for lucid

Mostly minor changes.  I verified that python-dev is python2.5 on a ghardy
machine.

While I'm at it, let's put all the 32-bit code in the same section.
I don't think most users need it anymore.

Review URL: http://codereview.chromium.org/1815006

git-svn-id: http://src.chromium.org/svn/trunk/src@46234 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 2d83dbb5c829512ed191cdf872dcecfc21e4f13b
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser