Add retry on svn cat and use --non-interactive flag.
Add retry on svn cat and use --non-interactive flag.

The svn server fails often, causing codereview.settings not being fetched. When no valid cached credential is found, codereview.settings wouldn't be fetched either.

Enforce LANGUAGE=en for odd systems like mine.

TEST=gcl should act better with unstable svn server or invalid cached credentials
BUG=none

Review URL: http://codereview.chromium.org/3111016

git-svn-id: bd64dd6fa6f3f0ed0c0666d1018379882b742947@56700 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

svn2github/chromium-depot-tools,svn2github/chromium-depot-tools,svn2github/chromium-depot-tools