Merge pull request #796 from ericchiang/html-template

{web,server}: use html/template and reduce use of auth request ID

web/templates/login.html

@@ -5,7 +5,7 @@
   <div>
     {{ range $c := .Connectors }}
       <div class="theme-form-row">
-        <a href="{{ $c.URL }}?req={{ $.AuthReqID }}" target="_self">
+        <a href="{{ $c.URL }}" target="_self">
           <button class="dex-btn theme-btn-provider">
             <span class="dex-btn-icon dex-btn-icon--{{ $c.ID }}"></span>
             <span class="dex-btn-text">Log in with {{ $c.Name }}</span>

web/templates/password.html

@@ -15,7 +15,6 @@
       </div>
 	  <input tabindex="2" required id="password" name="password" type="password" class="theme-form-input" placeholder="password" {{ if .Invalid }} autofocus {{ end }}/>
     </div>
-    <input type="hidden" name="req" value="{{ .AuthReqID }}"/>
 
     {{ if .Invalid }}
       <div class="dex-error-box">