gddo-server: use HTTPS protocol

Change-Id: Ic69e98d709640fe572ba3019f80d62dd7bd1a07d
Reviewed-on: https://go-review.googlesource.com/118575
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
diff --git a/gddo-server/assets/templates/common.html b/gddo-server/assets/templates/common.html
index d472e00..ec903a5 100644
--- a/gddo-server/assets/templates/common.html
+++ b/gddo-server/assets/templates/common.html
@@ -108,7 +108,7 @@
   {{.StatusDescription}}
 {{end}}
 {{with $.pdoc.Errors}}
-    <p>The <a href="http://golang.org/cmd/go/#Download_and_install_packages_and_dependencies">go get</a>
+    <p>The <a href="https://golang.org/cmd/go/#Download_and_install_packages_and_dependencies">go get</a>
     command cannot install this package because of the following issues:
     <ul>
       {{range .}}<li>{{.}}{{end}}
diff --git a/gddo-server/assets/templates/home.html b/gddo-server/assets/templates/home.html
index b0e3747..726f765 100644
--- a/gddo-server/assets/templates/home.html
+++ b/gddo-server/assets/templates/home.html
@@ -7,7 +7,7 @@
     {{template "SearchBox" ""}}
 </div>
 
-<p>GoDoc hosts documentation for <a href="http://golang.org/">Go</a> packages
+<p>GoDoc hosts documentation for <a href="https://golang.org/">Go</a> packages
 on Bitbucket, GitHub, Google Project Hosting and Launchpad.  Read the <a
   href="/-/about">About Page</a> for information about adding packages to GoDoc
 and more.
diff --git a/gddo-server/assets/templates/layout.html b/gddo-server/assets/templates/layout.html
index d69482e..cc6b5a7 100644
--- a/gddo-server/assets/templates/layout.html
+++ b/gddo-server/assets/templates/layout.html
@@ -34,7 +34,7 @@
 <div id="x-footer" class="clearfix">
   <div class="container">
     <a href="https://github.com/golang/gddo/issues">Website Issues</a>
-    <span class="text-muted">|</span> <a href="http://golang.org/">Go Language</a>
+    <span class="text-muted">|</span> <a href="https://golang.org/">Go Language</a>
     <span class="pull-right"><a href="#">Back to top</a></span>
   </div>
 </div>
diff --git a/gddo-server/assets/templates/results.html b/gddo-server/assets/templates/results.html
index ad56976..9190658 100644
--- a/gddo-server/assets/templates/results.html
+++ b/gddo-server/assets/templates/results.html
@@ -4,7 +4,7 @@
   <div class="well">
     {{template "SearchBox" .q}}
   </div>
-  <p>Try this search on <a href="http://go-search.org/search?q={{.q}}">Go-Search</a>
+  <p>Try this search on <a href="https://go-search.org/search?q={{.q}}">Go-Search</a>
   or <a href="https://github.com/search?q={{.q}}+language:go">GitHub</a>.
   {{if .pkgs}}
     {{template "SearchPkgs" .pkgs}}
diff --git a/gddo-server/assets/templates/std.html b/gddo-server/assets/templates/std.html
index 42463e0..eb4d731 100644
--- a/gddo-server/assets/templates/std.html
+++ b/gddo-server/assets/templates/std.html
@@ -3,6 +3,6 @@
 {{define "Body"}}
   <h1>Go Standard Packages</h1>
   {{template "Pkgs" .pkgs}}
-  <p>View the official documentation at <a href="http://golang.org/pkg/">golang.org</a>.
+  <p>View the official documentation at <a href="https://golang.org/pkg/">golang.org</a>.
 {{end}}
 
diff --git a/gddo-server/assets/templates/tools.html b/gddo-server/assets/templates/tools.html
index d067942..53f31f9 100644
--- a/gddo-server/assets/templates/tools.html
+++ b/gddo-server/assets/templates/tools.html
@@ -19,13 +19,13 @@
 
   {{if .pdoc.Name}}
     <h3>Lint</h3>
-    <form name="x-lint" method="POST" action="http://go-lint.appspot.com/-/refresh"><input name="importPath" type="hidden" value="{{.pdoc.ImportPath}}"></form>
+    <form name="x-lint" method="POST" action="https://go-lint.appspot.com/-/refresh"><input name="importPath" type="hidden" value="{{.pdoc.ImportPath}}"></form>
     <p><a href="javascript:document.getElementsByName('x-lint')[0].submit();">Run lint</a> on {{.pdoc.PageName}}.
 
     {{if and (not .pdoc.IsCmd) (not .pdoc.Doc)}}
       <p>The {{.pdoc.Name}} package does not have a package declaration
       comment.  See the <a
-        href="http://blog.golang.org/godoc-documenting-go-code">Go
+        href="https://blog.golang.org/godoc-documenting-go-code">Go
         documentation guidelines</a> for information on how to write a package
       comment. It's important to write a good summary of the package in the
       first sentence of the package comment. GoDoc indexes the first sentence