Add support for alpha and beta versions of karmic/lucid in install-build-deps.sh
Add support for alpha and beta versions of karmic/lucid in install-build-deps.sh

For some reason, alpha and beta releases of Ubuntu seem to use code names
instead of numbers in /etc/issue.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/1154004

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@42428 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser