Fix missing button types

app/views/projects/issues/_issue_context.html.haml

@@ -32,7 +32,7 @@
       .issuable-context-title
         %label
           Subscription:
-      %button.btn.btn-block.subscribe-button
+      %button.btn.btn-block.subscribe-button{:type => 'button'}
         %i.fa.fa-eye
         %span= @issue.subscribed?(current_user) ? "Unsubscribe" : "Subscribe"
       - subscribtion_status = @issue.subscribed?(current_user) ? "subscribed" : "unsubscribed"

app/views/projects/merge_requests/show/_context.html.haml

@@ -34,7 +34,7 @@
       .issuable-context-title
         %label
           Subscription:
-      %button.btn.btn-block.subscribe-button
+      %button.btn.btn-block.subscribe-button{:type => 'button'}
         %i.fa.fa-eye
         %span= @merge_request.subscribed?(current_user) ? "Unsubscribe" : "Subscribe"
       - subscribtion_status = @merge_request.subscribed?(current_user) ? "subscribed" : "unsubscribed"

app/views/projects/merge_requests/show/_mr_accept.html.haml

@@ -53,7 +53,7 @@
           command line
 
     %p
-      %button.btn.disabled
+      %button.btn.disabled{:type => 'button'}
         %i.fa.fa-warning
         Accept Merge Request
        
@@ -64,7 +64,7 @@
       This request can't be merged because it is marked a <strong>Work In Progress</strong>.
 
     %p
-      %button.btn.disabled
+      %button.btn.disabled{:type => 'button'}
         %i.fa.fa-warning
         Accept Merge Request
       &nbsp;

app/views/shared/_clone_panel.html.haml

@@ -2,6 +2,7 @@
 .git-clone-holder.input-group
   .input-group-btn
     %button{ |
+      :type => 'button', |
       class: "btn #{ 'active' if default_clone_protocol == 'ssh' }#{ ' has_tooltip' if current_user && current_user.require_ssh_key? }", |
       :"data-clone" => project.ssh_url_to_repo, |
       :"data-title" => "Add an SSH key to your profile<br> to pull or push via SSH",
@@ -9,6 +10,7 @@
       :"data-container" => "body"}
       SSH
     %button{ |
+      :type => 'button', |
       class: "btn #{ 'active' if default_clone_protocol == 'http' }#{ ' has_tooltip' if current_user && current_user.require_password? }", |
       :"data-clone" => project.http_url_to_repo, |
       :"data-title" => "Set a password on your account<br> to pull or push via #{gitlab_config.protocol.upcase}",