Fix bugs:

TinyMCE: the size of the textarea change depending on the language
	Page content edit: no tab selected on first load

vendor/built_in_modules/gallery/app/views/panel/gallery/back_end/albums/edit.html.erb

@@ -9,7 +9,7 @@
 </ul>
 <ul class="nav nav-tabs">
 	<% @site_valid_locales.each_with_index do |locale, i| %>
-    <li <%= ( i == 0 ) ? " class='active'" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
+    <li <%= ( i == 0 ) ? "class=active" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
 	<% end %>
 </ul>
 <!-- <form id="edit_album" action="update_album" method="post"> -->

vendor/built_in_modules/gallery/app/views/panel/gallery/front_end/orbit_galleries/add_album.html.erb

@@ -11,7 +11,7 @@
     </select>
     <ul class="nav nav-tabs">
       <% @site_valid_locales.each_with_index do |locale, i| %>
-        <li <%= ( i == 0 ) ? " class='active'" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
+        <li <%= ( i == 0 ) ? "class=active" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
       <% end %>
     </ul>
     <div class="tab_content form-horizontal">

vendor/built_in_modules/gallery/app/views/panel/gallery/front_end/orbit_galleries/edit_album.html.erb

@@ -5,7 +5,7 @@
 </ul>
 <ul class="nav nav-tabs">
 	<% @site_valid_locales.each_with_index do |locale, i| %>
-    <li <%= ( i == 0 ) ? " class='active'" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
+    <li <%= ( i == 0 ) ? "class=active" : '' %>><a data-toggle="tab" href=".<%= locale %>"><%= I18nVariable.from_locale(locale) %></a></li>
 	<% end %>
 </ul>
 <form id="edit_album" action="update_album" method="post">