correct check if tag exists for current component

also add whitespace between tags in template
fix twig template loading for tests
add replacement for filterLinks

required for requression introduced with 334888dc as we don't walk thru all links on load
remove tests that got removed in 3.8
fix connection: typo in retry variable
Merge branch '3.7' into 3.8
fix test, conditional comments for ie8 where added
output preHtml and postHtml unencoded (raw)

fixes Kwc_Menu_IsVisibleDynamic_Test
use tempalte from Cc or Trl if there is one

else fall back to chained template
fix test, add missing provider
remove another ext4 dependent test

properly done without ext4 dependency in 3.8
Merge branch '3.7' into 3.8

Conflicts:
	tests/Kwf/Assets/LazyLoad/Foo.js
	tests/Kwf/Assets/LazyLoad/LoaderTest.php
	tests/Kwf/Assets/LazyLoad/TestController.php
	tests/Kwf/Assets/LazyLoad/TestProviderList.php