Added buildbot appengine frontend for chromium-build app

app.py

Index: app.py
diff --git a/app.py b/app.py
index 9b1160239078e7998c9443b72e1a89aac836b737..b2878eff15668c813a3de8b269cc8803fe315bef 100644
--- a/app.py
+++ b/app.py
@@ -581,6 +581,11 @@ def console_handler(unquoted_localpath, remoteurl, page_data=None):
                    "https://chromium-build.appspot.com/p/"
                    "chromium-status/current", content)
 
+  # Convert direct build.chromium.org links to local links.
+  content = re.sub("http://build.chromium.org/p/", "/buildbot/", content)
+  content = re.sub(r"/buildbot/(.*)/buildstatus\?builder=(.*)&number=(\d+)",
+                   r"/buildbot/\1/builders/\2/builds/\3", content)
+
   # Disable the personalized for box for now.
   content = re.sub(r"<input id='namebox", r"<!-- <input id='namebox", content)
   content = re.sub(r"reload_page\(\)'/>", r"reload_page()'/> -->", content)