Use new fontawesome based icons for users module

Combines the login status into the icon. Solid icon is online user, while regular icon is offline user.

Author: tvdeyen

app/assets/stylesheets/alchemy-devise/users.scss

@@ -5,38 +5,3 @@ form {
     width: 50%;
   }
 }
-
-.icon {
-
-  &.user {
-    background-position: 0 -104px;
-
-    &.female {
-      background-position: -128px -104px;
-    }
-  }
-
-  &.user_add {
-    background-position: -96px -104px;
-  }
-
-  &.user_delete {
-    background-position: -32px -104px;
-
-    &.female {
-      background-position: -160px -104px;
-    }
-  }
-
-  &.user_edit {
-    background-position: -64px -104px;
-
-    &.female {
-      background-position: -192px -104px;
-    }
-  }
-}
-
-span.module.users {
-  background-position: -80px 0;
-}

app/views/alchemy/admin/users/_user.html.erb

@@ -1,7 +1,6 @@
 <tr class="<%= cycle('even', 'odd') %>">
-  <td class="icon"><%= content_tag 'span', '', class: "icon user#{user.gender == 'female' ? ' female' : ' male'}" %></td>
-  <td>
-    <%= render_icon(user.logged_in? ? 'online' : 'offline') %>
+  <td class="icon">
+    <%= render_icon(:user, style: user.logged_in? ? 'solid' : 'regular') %>
   </td>
   <td class="login"><%= user.login %></td>
   <td class="name"><%= user.firstname %></td>
@@ -15,20 +14,17 @@
     <%= delete_button alchemy.admin_user_path(user), {
       message: Alchemy.t(:confirm_to_delete_user),
       title: Alchemy.t(:delete_user),
-      icon: "user_delete#{user.gender == 'female' ? ' female' : ' male'}"
+      icon: :minus
     } %>
   <% end %>
   <% if can?(:edit, user) %>
-    <%= link_to_dialog '',
+    <%= link_to_dialog render_icon(:edit),
       alchemy.edit_admin_user_path(user), {
         title: Alchemy.t(:edit_user),
         overflow: true,
         size: '430x560'
-      }, {
-        class: "icon user_edit#{user.gender == 'female' ? ' female' : ' male'}",
-        title: Alchemy.t(:edit_user)
-      }
-    %>
+      },
+      title: Alchemy.t(:edit_user) %>
   <% end %>
   </td>
 </tr>

app/views/alchemy/admin/users/index.html.erb

@@ -1,7 +1,7 @@
 <%= toolbar(
   buttons: [
     {
-      icon: 'user_add',
+      icon: :plus,
       label: Alchemy.t(:create_user),
       url: alchemy.new_admin_user_path,
       title: Alchemy.t(:create_user),
@@ -23,7 +23,6 @@
     <thead>
       <tr>
         <th class="icon"></th>
-        <th class="login_status"></th>
         <th class="login">
           <%= sort_link @query, :login, hide_indicator: true %>
         </th>