Merge branch 'full-width-new-snippet-button' into 'master'

Added full-width new snippet button on mobile and corrected capitalization

## What does this MR do?

Adds full-width `New snippet` button to snippet mobile views and corrects `New Snippet` to `New snippet` throughout.

## Are there points in the code the reviewer needs to double check?

## Why was this MR needed?

@connorshea Spotted that I missed this in !6210 :)

## Screenshots (if relevant)

![Screen_Shot_2016-09-16_at_10.40.21](/uploads/ddca2da3a5ef787298bfc87e129db820/Screen_Shot_2016-09-16_at_10.40.21.png)

## Does this MR meet the acceptance criteria?

- [ ] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [ ] [Documentation created/updated](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/doc/development/doc_styleguide.md)
- [ ] API support added
- Tests
  - [ ] Added for this feature/bug
  - [ ] All builds are passing
- [ ] Conform by the [merge request performance guides](http://docs.gitlab.com/ce/development/merge_request_performance_guidelines.html)
- [ ] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [ ] Branch has no merge conflicts with `master` (if you do - rebase it please)
- [ ] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

## What are the relevant issue numbers?

See merge request !6380

app/assets/stylesheets/framework/buttons.scss

@@ -336,3 +336,9 @@
     box-shadow: inset 0 0 0 white;
   }
 }
+
+@media (max-width: $screen-xs-max) {
+  .btn-wide-on-xs {
+    width: 100%;
+  }
+}

app/assets/stylesheets/framework/lists.scss

@@ -164,7 +164,7 @@ ul.content-list {
       }
 
       .no-comments {
-        opacity: 0.5;
+        opacity: .5;
       }
     }
 

app/assets/stylesheets/pages/snippets.scss

@@ -36,3 +36,7 @@
     float: right;
   }
 }
+
+.snippet-scope-menu .btn-new {
+  margin-top: 15px;
+}

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

@@ -4,10 +4,10 @@
 = render 'dashboard/snippets_head'
 
 .nav-block
-  .controls
-    = link_to new_snippet_path, class: "btn btn-new", title: "New Snippet" do
+  .controls.hidden-xs
+    = link_to new_snippet_path, class: "btn btn-new", title: "New snippet" do
       = icon('plus')
-      New Snippet
+      New snippet
 
   .nav-links.snippet-scope-menu
     %li{ class: ("active" unless params[:scope]) }
@@ -34,5 +34,9 @@
         %span.badge
           = current_user.snippets.are_public.count
 
-= render 'snippets/snippets'
+    .visible-xs
+      = link_to new_snippet_path, class: "btn btn-new btn-block", title: "New snippet" do
+        = icon('plus')
+        New snippet
 
+= render 'snippets/snippets'

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

@@ -8,9 +8,8 @@
 
 .row-content-block
   - if current_user
-    .pull-right
-      = link_to new_snippet_path, class: "btn btn-new", title: "New Snippet" do
-        New Snippet
+    = link_to new_snippet_path, class: "btn btn-new btn-wide-on-sm pull-right", title: "New snippet" do
+      New snippet
 
   .oneline
     Public snippets created by you and other users are listed here

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

 .hidden-xs
   - if can?(current_user, :create_project_snippet, @project)
-    = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: 'btn btn-grouped btn-create new-snippet-link', title: "New Snippet" do
-      New Snippet
+    = link_to new_namespace_project_snippet_path(@project.namespace, @project), class: 'btn btn-grouped btn-create new-snippet-link', title: "New snippet" do
+      New snippet
   - if can?(current_user, :update_project_snippet, @snippet)
     = link_to namespace_project_snippet_path(@project.namespace, @project, @snippet), method: :delete, data: { confirm: "Are you sure?" }, class: "btn btn-grouped btn-danger", title: 'Delete Snippet' do
       Delete
@@ -17,8 +17,8 @@
       %ul
         - if can?(current_user, :create_project_snippet, @project)
           %li
-            = link_to new_namespace_project_snippet_path(@project.namespace, @project), title: "New Snippet" do
-              New Snippet
+            = link_to new_namespace_project_snippet_path(@project.namespace, @project), title: "New snippet" do
+              New snippet
         - if can?(current_user, :update_project_snippet, @snippet)
           %li
             = link_to namespace_project_snippet_path(@project.namespace, @project, @snippet), method: :delete, data: { confirm: "Are you sure?" }, title: 'Delete Snippet' do

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

 - page_title "Snippets"
 
 .sub-header-block
-  .pull-right
-    - 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
+  - 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
+      New snippet
 
   .oneline
     Share code pastes with others out of git repository

app/views/snippets/_actions.html.haml

 .hidden-xs
   - if current_user
-    = link_to new_snippet_path, class: "btn btn-grouped btn-create new-snippet-link", title: "New Snippet" do
-      New Snippet
+    = link_to new_snippet_path, class: "btn btn-grouped btn-create new-snippet-link", title: "New snippet" do
+      New snippet
   - if can?(current_user, :admin_personal_snippet, @snippet)
     = link_to snippet_path(@snippet), method: :delete, data: { confirm: "Are you sure?" }, class: "btn btn-grouped btn-danger", title: 'Delete Snippet' do
       Delete
@@ -16,8 +16,8 @@
     .dropdown-menu.dropdown-menu-full-width
       %ul
         %li
-          = link_to new_snippet_path, title: "New Snippet" do
-            New Snippet
+          = link_to new_snippet_path, title: "New snippet" do
+            New snippet
         - if can?(current_user, :admin_personal_snippet, @snippet)
           %li
             = link_to snippet_path(@snippet), method: :delete, data: { confirm: "Are you sure?" }, title: 'Delete Snippet' do

features/project/snippets.feature

@@ -12,7 +12,7 @@ Feature: Project Snippets
     And I should not see "Snippet two" in snippets
 
   Scenario: I create new project snippet
-    Given I click link "New Snippet"
+    Given I click link "New snippet"
     And I submit new snippet "Snippet three"
     Then I should see snippet "Snippet three"
 

features/steps/project/snippets.rb

@@ -21,8 +21,8 @@ class Spinach::Features::ProjectSnippets < Spinach::FeatureSteps
            author: project.users.first)
   end
 
-  step 'I click link "New Snippet"' do
-    click_link "New Snippet"
+  step 'I click link "New snippet"' do
+    click_link "New snippet"
   end
 
   step 'I click link "Snippet one"' do