Url sent in mails are now enclosed in angled brackets,

as recommended in RFC 3986 section C (ftp://ftp.rfc-editor.org/in-notes/rfc3986.txt)

Close #77

app/views/event_mailer/accept.text.haml

@@ -1,17 +1,22 @@
 = t '.body', moderator: @current_user
+= surround '<'.html_safe, '>'.html_safe do
   = event_url @event
 \
 = t '.edit_link'
+= surround '<'.html_safe, '>'.html_safe do
   = edit_event_url @event, secret: @event.secret
 \
 = t '.delete_link'
+= surround '<'.html_safe, '>'.html_safe do
   = cancel_event_url @event, secret: @event.secret
 \
 - if @event.repeat > 0 && !@event.event_id
   = t '.repeat_helper', count: @event.repeat
   - @event.events.each do |e|
     = e
+    = surround '<'.html_safe, '>'.html_safe do
       = edit_event_url e, secret: e.secret
+    = surround '<'.html_safe, '>'.html_safe do
       = cancel_event_url e, secret: e.secret
 \
 = render file: '/events/show'

app/views/event_mailer/create.text.haml

@@ -1,8 +1,10 @@
 = t '.body', subject: @event.title,
   start_time: l(@event.start_time, format: :at)
+= surround '<'.html_safe, '>'.html_safe do
   = edit_event_url @event, secret: @event.secret
 \
 = t '.delete_link'
+= surround '<'.html_safe, '>'.html_safe do
   = cancel_event_url @event, secret: @event.secret
 \
 = t '.signature'

app/views/moderation_mailer/accept.text.haml

@@ -3,6 +3,7 @@
 = render file: '/events/show'
 \
 = t '.access'
+= surround '<'.html_safe, '>'.html_safe do
   = event_url @event
 \
 = t '.signature'

app/views/moderation_mailer/create.text.haml

@@ -1,5 +1,6 @@
 = t '.body', subject: @event.title, start_time: l(@event.start_time,
   format: :at)
+= surround '<'.html_safe, '>'.html_safe do
   = moderations_url
 \
 = render file: '/events/show'

app/views/moderation_mailer/update.text.haml

@@ -13,6 +13,7 @@
   Differ.format = Differ::Format::Patch
 = Differ.diff new, prev
 \
+= surround '<'.html_safe, '>'.html_safe do
   - if @current_user
     = edit_moderation_url @event
   - else

app/views/note_mailer/create.text.haml

@@ -2,6 +2,7 @@
 \
 = strip_tags @note.contents
 \
+= surround '<'.html_safe, '>'.html_safe do
   = moderations_url
 \
 = t '.signature'

app/views/note_mailer/notify.text.haml

@@ -6,6 +6,7 @@
 \
 = t '.edit_link'
 \
+= surround '<'.html_safe, '>'.html_safe do
   = edit_event_url @note.event, secret: @note.event.secret
 \
 = t '.signature'

app/views/orga_mailer/accept.text.haml

@@ -3,6 +3,7 @@
 = render file: '/orgas/show'
 \
 = t '.access'
+= surround '<'.html_safe, '>'.html_safe do
   = orga_url @orga
 \
 = t '.signature'

app/views/orga_mailer/create.text.haml

@@ -1,7 +1,9 @@
 = t '.body', subject: @orga.name
+= surround '<'.html_safe, '>'.html_safe do
   = edit_orga_url @orga, secret: @orga.secret
 \
 = t '.delete_link'
+= surround '<'.html_safe, '>'.html_safe do
   = cancel_orga_url @orga, secret: @orga.secret
 \
 = t '.signature'

app/views/orga_mailer/update.text.haml

@@ -14,6 +14,7 @@
 = Differ.diff new, prev
 
 = t '.access'
+= surround '<'.html_safe, '>'.html_safe do
   = orga_url @orga
 \
 = t '.signature'