Consistent header look for setting pages

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/views/profiles/accounts/show.html.haml

 - page_title "Account"
+%h3.page-title
+  = page_title
+%p.light
+  Change your username and basic account settings.
+%hr
 - if current_user.ldap_user?
   .alert.alert-info
     Some options are unavailable for LDAP accounts

app/views/profiles/applications.html.haml

@@ -3,6 +3,7 @@
   = page_title
 %p.light
   OAuth2 protocol settings below.
+%hr
 %fieldset.oauth-applications
   %legend Your applications

app/views/profiles/emails/index.html.haml

@@ -2,22 +2,26 @@
 %h3.page-title
   = page_title
 %p.light
-  Your
-  %b Primary Email
-  will be used for avatar detection and web based operations, such as edits and merges.
-%p.light
-  Your
-  %b Notification Email
-  will be used for account notifications.
-%p.light
-  Your
-  %b Public Email
-  will be displayed on your public profile.
-%p.light
-  All email addresses will be used to identify your commits.
-
+  Control emails linked to your account
 %hr
+
+%ul
+  %li
+    Your
+    %b Primary Email
+    will be used for avatar detection and web based operations, such as edits and merges.
+  %li
+    Your
+    %b Notification Email
+    will be used for account notifications.
+  %li
+    Your
+    %b Public Email
+    will be displayed on your public profile.
+  %li
+    All email addresses will be used to identify your commits.
+
 .panel.panel-default
   .panel-heading
     Emails (#{@emails.count + 1})