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/web_resource/app/views/panel/web_resource/back_end/web_links/_form.html.erb

@@ -60,7 +60,7 @@
 			
 			<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>