Hand URIs to email templates, not tokens.

- The mail templates should not be concerned with the url schema.

  - Fixes #78.

dist/templates/deletion-email-html.hbs

@@ -17,7 +17,7 @@
       To de-list your key on {{domain}}, follow this link:
     </p>
     <p>
-      <a href="https://{{domain}}/delete/{{token}}">https://{{domain}}/delete/{{token}}</a>
+      <a href="{{uri}}">{{uri}}</a>
     </p>
     <p>
       If you do not want to de-list your key, please ignore this

dist/templates/deletion-email-txt.hbs

@@ -5,6 +5,6 @@ If it was not you, please ignore this email.
 
 To de-list your key on {{domain}}, follow this link:
 
-    https://{{domain}}/delete/{{token}}
+    {{uri}}
 
 If you do not want to de-list your key, please ignore this email.

dist/templates/publish-email-html.hbs

@@ -22,7 +22,7 @@
       {{domain}}, follow this link:
     </p>
     <p>
-      <a href="https://{{domain}}/publish/{{token}}">https://{{domain}}/publish/{{token}}</a>
+      <a href="{{uri}}">{{uri}}</a>
     </p>
     <p>
       If you don't want to make the key available when searching for

dist/templates/publish-email-txt.hbs

@@ -8,7 +8,7 @@ If it was not you, or this is not your key, please ignore this email.
 To make your key available when searching for "{{userid}}" on
 {{domain}}, follow this link:
 
-    https://{{domain}}/publish/{{token}}
+    {{uri}}
 
 If you don't want to make the key available when searching for
 "{{userid}}", please ignore this email.

src/mail.rs

@@ -15,14 +15,14 @@ mod context {
     #[derive(Serialize, Clone)]
     pub struct Verification {
         pub primary_fp: String,
-        pub token: String,
+        pub uri: String,
         pub userid: String,
         pub domain: String,
     }
 
     #[derive(Serialize, Clone)]
     pub struct Deletion {
-        pub token: String,
+        pub uri: String,
         pub domain: String,
     }
 }
@@ -64,7 +64,7 @@ impl Service {
                              -> Result<()> {
         let ctx = context::Verification {
             primary_fp: tpk.fingerprint().to_string(),
-            token: token.to_string(),
+            uri: format!("https://{}/publish/{}", domain, token),
             userid: userid.to_string(),
             domain: domain.to_string(),
         };
@@ -81,7 +81,7 @@ impl Service {
                              domain: &str)
                              -> Result<()> {
         let ctx = context::Deletion {
-            token: token.to_string(),
+            uri: format!("https://{}/delete/{}", domain, token),
             domain: domain.to_string(),
         };