move project new snippet button into snippet scope navigation header

app/views/projects/snippets/index.html.haml

 - page_title "Snippets"
 
 - if current_user
-  .nav-links.snippet-scope-menu
-    %li{ class: ("active" unless params[:scope]) }
-      = link_to namespace_project_snippets_path(@project.namespace, @project) do
-        All
-        %span.badge
-          = @project.snippets.count
+  .top-area
+    .nav-links.snippet-scope-menu
+      %li{ class: ("active" unless params[:scope]) }
+        = link_to namespace_project_snippets_path(@project.namespace, @project) do
+          All
+          %span.badge
+            = @project.snippets.count
+
+      - if @project.team.member?(current_user) || current_user.admin?
+        %li{ class: ("active" if params[:scope] == "are_private") }
+          = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_private') do
+            Private
+            %span.badge
+              = @project.snippets.are_private.count
 
-    - if @project.team.member?(current_user) || current_user.admin?
-      %li{ class: ("active" if params[:scope] == "are_private") }
-        = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_private') do
-          Private
+      %li{ class: ("active" if params[:scope] == "are_internal") }
+        = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_internal') do
+          Internal
           %span.badge
-            = @project.snippets.are_private.count
+            = @project.snippets.are_internal.count
 
-    %li{ class: ("active" if params[:scope] == "are_internal") }
-      = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_internal') do
-        Internal
-        %span.badge
-          = @project.snippets.are_internal.count
+      %li{ class: ("active" if params[:scope] == "are_public") }
+        = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_public') do
+          Public
+          %span.badge
+            = @project.snippets.are_public.count
 
-    %li{ class: ("active" if params[:scope] == "are_public") }
-      = link_to namespace_project_snippets_path(@project.namespace, @project, scope: 'are_public') do
-        Public
-        %span.badge
-          = @project.snippets.are_public.count
+    .nav-controls.hidden-xs
+      - if can?(current_user, :create_project_snippet, @project)
+        = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: "btn btn-new", title: "New snippet" do
+          New snippet
 
-.sub-header-block
-  - if can?(current_user, :create_project_snippet, @project)
-    = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: "btn btn-new btn-wide-on-sm pull-right", title: "New snippet" do
+- if can?(current_user, :create_project_snippet, @project)
+  .visible-xs
+     
+    = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: "btn btn-new btn-block", title: "New snippet" do
       New snippet
 
-  .oneline
-    Share code pastes with others out of git repository
-
 = render 'snippets/snippets'