Fix admin forms UI

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

app/views/admin/groups/edit.html.haml

 %h3.page-title Edit Group
 %hr
-= form_for [:admin, @group] do |f|
+= form_for [:admin, @group], html: { class: "form-horizontal" } do |f|
   - if @group.errors.any?
     .alert.alert-danger
       %span= @group.errors.full_messages.first
   .form-group.group_name_holder
-    = f.label :name do
+    = f.label :name, class: 'control-label' do
       Group name
     .col-sm-10
       = f.text_field :name, placeholder: "Example Group", class: "form-control"
 
   .form-group.group-description-holder
-    = f.label :description, "Details"
+    = f.label :description, "Details", class: 'control-label'
     .col-sm-10
       = f.text_area :description, maxlength: 250, class: "form-control js-gfm-input", rows: 4
 
   .form-group.group_name_holder
-    = f.label :path do
+    = f.label :path, class: 'control-label' do
       %span.cred Group path
     .col-sm-10
       = f.text_field :path, placeholder: "example-group", class: "form-control danger"

app/views/admin/groups/new.html.haml

 %h3.page-title New Group
 %hr
-= form_for [:admin, @group] do |f|
+= form_for [:admin, @group], html: { class: 'group-form form-horizontal' } do |f|
   - if @group.errors.any?
     .alert.alert-danger
       %span= @group.errors.full_messages.first
   .form-group
-    = f.label :name do
+    = f.label :name, class: 'control-label' do
       Group name
     .col-sm-10
-      = f.text_field :name, placeholder: "Ex. OpenSource", class: "form-control left"
+      = f.text_field :name, placeholder: "Ex. OpenSource", class: "form-control"
+
   .form-group.group-description-holder
-    = f.label :description, "Details"
+    = f.label :description, "Details", class: 'control-label'
     .col-sm-10
       = f.text_area :description, maxlength: 250, class: "form-control js-gfm-input", rows: 4
 
+  .form-group
+    .col-sm-2
+    .col-sm-10
+      %ul
+        %li A group is a collection of several projects
+        %li Groups are private by default
+        %li Members of a group may only view projects they have permission to access
+        %li Group project URLs are prefixed with the group namespace
+        %li Existing projects may be moved into a group
+
   .form-actions
     = f.submit 'Create group', class: "btn btn-create"
 
-  %hr
-  .padded
-    %ul
-      %li Group is kind of directory for several projects
-      %li All created groups are private
-      %li People within a group see only projects they have access to
-      %li All projects of group will be stored in a group directory
-      %li You will be able to move existing projects into group
+

app/views/admin/users/_form.html.haml

 .user_new
-  = form_for [:admin, @user] do |f|
+  = form_for [:admin, @user], html: { class: 'form-horizontal' } do |f|
     -if @user.errors.any?
       #error_explanation
         %ul.unstyled.alert.alert-danger
@@ -9,26 +9,26 @@
     %fieldset
       %legend Account
       .form-group
-        = f.label :name
+        = f.label :name, class: 'control-label'
         .col-sm-10
-          = f.text_field :name, required: true, autocomplete: "off"
+          = f.text_field :name, required: true, autocomplete: "off", class: 'form-control'
           %span.help-inline * required
       .form-group
-        = f.label :username
+        = f.label :username, class: 'control-label'
         .col-sm-10
-          = f.text_field :username, required: true, autocomplete: "off"
+          = f.text_field :username, required: true, autocomplete: "off", class: 'form-control'
           %span.help-inline * required
       .form-group
-        = f.label :email
+        = f.label :email, class: 'control-label'
         .col-sm-10
-          = f.text_field :email, required: true, autocomplete: "off"
+          = f.text_field :email, required: true, autocomplete: "off", class: 'form-control'
           %span.help-inline * required
 
     - if @user.new_record?
       %fieldset
         %legend Password
         .form-group
-          = f.label :password
+          = f.label :password, class: 'control-label'
           .col-sm-10
             %strong
               A temporary password will be generated and sent to user.
@@ -38,29 +38,25 @@
       %fieldset
         %legend Password
         .form-group
-          = f.label :password
-          .col-sm-10= f.password_field :password, disabled: f.object.force_random_password
+          = f.label :password, class: 'control-label'
+          .col-sm-10= f.password_field :password, disabled: f.object.force_random_password, class: 'form-control'
         .form-group
-          = f.label :password_confirmation
-          .col-sm-10= f.password_field :password_confirmation, disabled: f.object.force_random_password
+          = f.label :password_confirmation, class: 'control-label'
+          .col-sm-10= f.password_field :password_confirmation, disabled: f.object.force_random_password, class: 'form-control'
 
     %fieldset
       %legend Access
-      .row
-        .col-md-8
       .form-group
-            = f.label :projects_limit
-            .col-sm-10= f.number_field :projects_limit
+        = f.label :projects_limit, class: 'control-label'
+        .col-sm-10= f.number_field :projects_limit, class: 'form-control'
 
       .form-group
-            = f.label :can_create_group
+        = f.label :can_create_group, class: 'control-label'
         .col-sm-10= f.check_box :can_create_group
 
       .form-group
-            = f.label :admin do
-              %strong.cred Administrator
+        = f.label :admin, class: 'control-label'
         .col-sm-10= f.check_box :admin
-        .col-md-4
       - unless @user.new_record?
         .alert.alert-danger
           - if @user.blocked?
@@ -72,14 +68,14 @@
     %fieldset
       %legend Profile
       .form-group
-        = f.label :skype
-        .col-sm-10= f.text_field :skype
+        = f.label :skype, class: 'control-label'
+        .col-sm-10= f.text_field :skype, class: 'form-control'
       .form-group
-        = f.label :linkedin
-        .col-sm-10= f.text_field :linkedin
+        = f.label :linkedin, class: 'control-label'
+        .col-sm-10= f.text_field :linkedin, class: 'form-control'
       .form-group
-        = f.label :twitter
-        .col-sm-10= f.text_field :twitter
+        = f.label :twitter, class: 'control-label'
+        .col-sm-10= f.text_field :twitter, class: 'form-control'
 
     .form-actions
       - if @user.new_record?