emailer: use instance name instead of hostname

server/lib/emails/abuse-new-message/html.pug

@@ -6,6 +6,6 @@ block title
 
 block content
   p
-    | A new message by #{messageAccountName} was posted on #[a(href=abuseUrl) abuse report ##{abuseId}] on #{WEBSERVER.HOST}
+    | A new message by #{messageAccountName} was posted on #[a(href=abuseUrl) abuse report ##{abuseId}] on #{instanceName}
   blockquote #{messageText}
   br(style="display: none;")

server/lib/emails/abuse-state-change/html.pug

@@ -6,4 +6,4 @@ block title
 
 block content
   p
-    | #[a(href=abuseUrl) Your abuse report ##{abuseId}] on #{WEBSERVER.HOST} has been #{isAccepted ? 'accepted' : 'rejected'}
+    | #[a(href=abuseUrl) Your abuse report ##{abuseId}] on #{instanceName} has been #{isAccepted ? 'accepted' : 'rejected'}

server/lib/emails/account-abuse-new/html.pug

@@ -6,7 +6,7 @@ block title
 
 block content
   p
-    | #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}] received an abuse report for the #{isLocal ? '' : 'remote '}account
+    | #[a(href=WEBSERVER.URL) #{instanceName}] received an abuse report for the #{isLocal ? '' : 'remote '}account
     a(href=accountUrl)  #{accountDisplayName}
 
   p The reporter, #{reporter}, cited the following reason(s):

server/lib/emails/common/base.pug

@@ -230,7 +230,7 @@ body(width="100%" style="margin: 0; padding: 0 !important; mso-line-height-rule:
                 tr
                   td(style='padding: 20px; font-family: sans-serif; font-size: 15px; line-height: 20px; color: #555555;')
                     p(style='margin: 0;')
-                      | You are receiving this email as part of your notification settings on #{WEBSERVER.HOST} for your account #{username}.
+                      | You are receiving this email as part of your notification settings on #{instanceName} for your account #{username}.
         //- 1 Column Text : END
       //- Email Body : END
       //- Email Footer : BEGIN

server/lib/emails/contact-form/html.pug

@@ -4,6 +4,6 @@ block title
   | Someone just used the contact form
 
 block content
-  p #{fromName} sent you a message via the contact form on #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}]:
+  p #{fromName} sent you a message via the contact form on #[a(href=WEBSERVER.URL) #{instanceName}]:
   blockquote(style='white-space: pre-wrap') #{body}
   p You can contact them at #[a(href=`mailto:${fromEmail}`) #{fromEmail}], or simply reply to this email to get in touch.

server/lib/emails/password-create/html.pug

@@ -5,6 +5,6 @@ block title
 
 block content
   p.
-    Welcome to #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}], your PeerTube instance. Your username is: #{username}.
+    Welcome to #[a(href=WEBSERVER.URL) #{instanceName}], your PeerTube instance. Your username is: #{username}.
     Please set your password by following #[a(href=createPasswordUrl) this link]: #[a(href=createPasswordUrl) #{createPasswordUrl}] 
     (this link will expire within seven days).

server/lib/emails/password-reset/html.pug

@@ -5,7 +5,7 @@ block title
 
 block content
   p.
-    A reset password procedure for your account #{username} has been requested on #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}].
+    A reset password procedure for your account #{username} has been requested on #[a(href=WEBSERVER.URL) #{instanceName}].
     Please follow #[a(href=resetPasswordUrl) this link] to reset it: #[a(href=resetPasswordUrl) #{resetPasswordUrl}]
     (the link will expire within 1 hour)
   p.

server/lib/emails/verify-email/html.pug

@@ -6,9 +6,9 @@ block title
 block content
   p Welcome to PeerTube!
   p.
-    You just created an account #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}], your new PeerTube instance. 
+    You just created an account #[a(href=WEBSERVER.URL) #{instanceName}], your new PeerTube instance. 
     Your username there is: #{username}.
   p.
-    To start using PeerTube on #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}] you must verify your email first! 
+    To start using PeerTube on #[a(href=WEBSERVER.URL) #{instanceName}] you must verify your email first! 
     Please follow #[a(href=verifyEmailUrl) this link] to verify this email belongs to you: #[a(href=verifyEmailUrl) #{verifyEmailUrl}] 
     If you are not the person who initiated this request, please ignore this email.

server/lib/emails/video-abuse-new/html.pug

@@ -6,7 +6,7 @@ block title
 
 block content
   p
-    | #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}] received an abuse report for the #{isLocal ? '' : 'remote '}video "
+    | #[a(href=WEBSERVER.URL) #{instanceName}] received an abuse report for the #{isLocal ? '' : 'remote '}video "
     a(href=videoUrl) #{videoName}
     | " by #[+channel(videoChannel)]
     if videoPublishedAt

server/lib/emails/video-comment-abuse-new/html.pug

@@ -6,7 +6,7 @@ block title
 
 block content
   p
-    | #[a(href=WEBSERVER.URL) #{WEBSERVER.HOST}] received an abuse report for the #{isLocal ? '' : 'remote '}
+    | #[a(href=WEBSERVER.URL) #{instanceName}] received an abuse report for the #{isLocal ? '' : 'remote '}
     a(href=commentUrl) comment on video "#{videoName}"
     |  of #{flaggedAccount}
     |  created on #{commentCreatedAt}