Style new branch/tag forms

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

app/views/projects/branches/new.html.haml

 %h3.page-title
   %i.icon-code-fork
   New branch
-= form_tag project_branches_path, method: :post do
+= form_tag project_branches_path, method: :post, class: "form-horizontal" do
   .form-group
     = label_tag :branch_name, 'Name for new branch', class: 'control-label'
     .col-sm-10
-      = text_field_tag :branch_name, nil, placeholder: 'feature/dashboard', required: true, tabindex: 1
+      = text_field_tag :branch_name, nil, placeholder: 'feature/dashboard', required: true, tabindex: 1, class: 'form-control'
   .form-group
     = label_tag :ref, 'Create from', class: 'control-label'
     .col-sm-10
-      = text_field_tag :ref, nil, placeholder: 'master', required: true, tabindex: 2
+      = text_field_tag :ref, nil, placeholder: 'master', required: true, tabindex: 2, class: 'form-control'
       .light branch name or commit SHA
   .form-actions
     = submit_tag 'Create branch', class: 'btn btn-create', tabindex: 3

app/views/projects/new.html.haml

@@ -9,7 +9,7 @@
           %strong Project name
         .col-sm-10
           = f.text_field :name, placeholder: "Example Project", class: "form-control", tabindex: 1, autofocus: true
-          %span.help-inline
+          .help-inline
             = link_to "#", class: 'js-toggle-visibility-link' do
               %span Customize repository name?
 

app/views/projects/tags/new.html.haml

 %h3.page-title
   %i.icon-code-fork
   New tag
-= form_tag project_tags_path, method: :post do
+= form_tag project_tags_path, method: :post, class: "form-horizontal" do
   .form-group
     = label_tag :tag_name, 'Name for new tag', class: 'control-label'
     .col-sm-10
-      = text_field_tag :tag_name, nil, placeholder: 'v3.0.1', required: true, tabindex: 1
+      = text_field_tag :tag_name, nil, placeholder: 'v3.0.1', required: true, tabindex: 1, class: 'form-control'
   .form-group
     = label_tag :ref, 'Create from', class: 'control-label'
     .col-sm-10
-      = text_field_tag :ref, nil, placeholder: 'master', required: true, tabindex: 2
+      = text_field_tag :ref, nil, placeholder: 'master', required: true, tabindex: 2, class: 'form-control'
       .light Branch name or commit SHA
   .form-actions
     = submit_tag 'Create tag', class: 'btn btn-create', tabindex: 3