Refactor widgets

- Move widget templates to subfolder
- Add new generic filter widget templates to replace category, network and filer filters
- Update styles

src/Content/Widget/CalendarExport.php

@@ -59,7 +59,7 @@ class CalendarExport
 		// of the profile page it should be the personal /events page. So we can use $a->user.
 		$user = defaults($a->data['user'], 'nickname', $a->user['nickname']);
 
-		$tpl = Renderer::getMarkupTemplate("events_aside.tpl");
+		$tpl = Renderer::getMarkupTemplate("widget/events.tpl");
 		$return = Renderer::replaceMacros($tpl, [
 			'$etitle'      => L10n::t("Export"),
 			'$export_ical' => L10n::t("Export calendar as ical"),

src/Content/Widget/ContactBlock.php

@@ -26,7 +26,7 @@ class ContactBlock
 	/**
 	 * Get HTML for contact block
 	 *
-	 * @template contact_block.tpl
+	 * @template widget/contacts.tpl
 	 * @hook contact_block_end (contacts=>array, output=>string)
 	 * @return string
 	 */
@@ -102,7 +102,7 @@ class ContactBlock
 			DBA::close($contact_ids_stmt);
 		}
 
-		$tpl = Renderer::getMarkupTemplate('contact_block.tpl');
+		$tpl = Renderer::getMarkupTemplate('widget/contacts.tpl');
 		$o = Renderer::replaceMacros($tpl, [
 			'$contacts' => $contacts_title,
 			'$nickname' => $profile['nickname'],

src/Content/Widget/TagCloud.php

@@ -49,7 +49,7 @@ class TagCloud
 				$tags[] = $tag;
 			}
 
-			$tpl = Renderer::getMarkupTemplate('tagblock_widget.tpl');
+			$tpl = Renderer::getMarkupTemplate('widget/tagcloud.tpl');
 			$o = Renderer::replaceMacros($tpl, [
 				'$title' => L10n::t('Tags'),
 				'$tags' => $tags