Changes for dat and time format

Impression bug when some i18n missing in impressionable object
JS bug in ad_banner edit title

vendor/built_in_modules/page_content/app/views/panel/page_content/back_end/page_contexts/_page_context.html.erb

@@ -18,6 +18,6 @@
 			<%= link_to page_context.version, panel_page_content_back_end_view_path(page_context.page_id) %>
 		<%end -%>
 	</td>
-	<td><%= page_context.updated_at.strftime("%Y-%m-%d %H:%I:%S") %></td>
+	<td><%= display_date_time(page_context) %></td>
 	<td><%= User.find(page_context.create_user_id).name %></td>
 </tr>

vendor/built_in_modules/page_content/app/views/panel/page_content/back_end/page_contexts/_view_page_context.html.erb

@@ -10,6 +10,6 @@
 					</div>
 				</td>
 				<td><%= view_page_context.version %></td>
-				<td><%= view_page_context.updated_at.strftime("%Y-%m-%d %H:%I:%S") %></td>
+				<td><%= display_date(view_page_context.updated_at) %></td>
 				<td><%= User.find(view_page_context.create_user_id).name %></td>
 			</tr>

vendor/built_in_modules/page_content/app/views/panel/page_content/back_end/page_contexts/show.html.erb

@@ -21,7 +21,7 @@
 	</li>
 	<li>
 		<b><%= t('page_content.最後修改時間') %></b>
-		<%= @page_context.updated_at.strftime("%Y-%m-%d %H:%I:%S") %>
+		<%= display_date(@page_context.updated_at) %>
 	</li>