Update waterfall templates to include Milo link.

third_party/buildbot_8_4p1/buildbot/status/web/base.py

 # This file is part of Buildbot.  Buildbot is free software: you can
 # redistribute it and/or modify it under the terms of the GNU General Public
 # License as published by the Free Software Foundation, version 2.
 #
 # This program is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 # details.
 #
 # You should have received a copy of the GNU General Public License along with
@@ skipping 191 matching lines @@
                     stylesheet = rootpath + 'default.css',
                     path_to_root = rootpath,
                     version = version,
                     time = time.strftime("%a %d %b %Y %H:%M:%S",
                                         time.localtime(util.now())),
                     tz = locale_tz,
                     metatags = [],
                     pageTitle = self.getPageTitle(request),
                     welcomeurl = rootpath,
                     authz = self.getAuthz(request),
+                    mastername = self.getBuildmaster(request),
                     )
 
 
 class ActionResource(resource.Resource, AccessorMixin):
     """A resource that performs some action, then redirects to a new URL."""
 
     isLeaf = 1
 
     def getChild(self, name, request):
         return self
@@ skipping 542 matching lines @@
     return filter
 
 class AlmostStrictUndefined(jinja2.StrictUndefined):
     ''' An undefined that allows boolean testing but 
         fails properly on every other use.
         
         Much better than the default Undefined, but not
         fully as strict as StrictUndefined '''
     def __nonzero__(self):
         return False