Replaced sha, md5 module imports with hashlib.

TEST=make sure desktopui_BrowserTest autotest works on ChromeOS
BUG=chromium-os:4828

Review URL: http://codereview.chromium.org/2881026

git-svn-id: http://src.chromium.org/svn/trunk/src/third_party/tlslite@53724 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
4 files changed