Add getMissingLinks to Debug

* Added the config for Debug
* Fixed an error at the function which lead to an error
* Used a more common name for the param of GetMissingLinks
11 jobs for patch/DebugMissingLinks in 2 minutes and 46 seconds (queued for 1 second)
Status Job ID Name Coverage
  Lint
passed #7626
lint:lint-php5.4

00:00:51

passed #7627
lint:lint-php5.6

00:00:35

passed #7628
lint:lint-php7.0

00:00:53

passed #7629
lint:lint-php7.1

00:00:48

passed #7630
lint:lint-php7.2

00:00:21

 
  Codesniffer
passed #7631
allowed to fail
codesniffer

00:00:53

 
  Unit
passed #7632
unit:testBasic

00:00:55

passed #7635
unit:testPageProperty

00:00:54

passed #7633
unit:testRead

00:00:56

passed #7634
unit:testReadAssertFail

00:00:40

passed #7636
unit:testUserProperty

00:00:57