Added buildbot appengine frontend for chromium-build app

Added changes in app.yaml to point /buildbot/... to the buildlogparse.py file.
It currently runs as its own little mini-app.

BUG=

Review URL: https://chromiumcodereview.appspot.com/13892003

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/chromium-build@195849 0039d316-1c4b-4281-b951-d872f2087c98
19 files changed