Pass PHP Code Sniffer Drupal standard

[jameswilson]

3598 errors, 133 warnings were found when testing this module against the PHP Code Sniffer Drupal standard.

$ phpcs --report=summary --standard=Drupal --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md .

PHP CODE SNIFFER REPORT SUMMARY
----------------------------------------------------------------------
FILE                                                  ERRORS  WARNINGS
----------------------------------------------------------------------
...dules/contrib/edsapi-drupal8-plugin/css/ebsco.css  141     0
...ules/contrib/edsapi-drupal8-plugin/ebsco.info.yml  1       0
...contrib/edsapi-drupal8-plugin/ebsco.libraries.yml  1       0
...odules/contrib/edsapi-drupal8-plugin/ebsco.module  1691    76
...es/contrib/edsapi-drupal8-plugin/lib/EBSCOAPI.php  102     9
...trib/edsapi-drupal8-plugin/lib/EBSCOConnector.php  180     4
...ntrib/edsapi-drupal8-plugin/lib/EBSCODocument.php  795     6
...contrib/edsapi-drupal8-plugin/lib/EBSCORecord.php  70      2
...ntrib/edsapi-drupal8-plugin/lib/EBSCOResponse.php  118     4
...rib/edsapi-drupal8-plugin/lib/sanitizer.class.php  91      7
...b/modules/contrib/edsapi-drupal8-plugin/phpcs.txt  1       0
...b/modules/contrib/edsapi-drupal8-plugin/README.md  0       1
...drupal8-plugin/src/Controller/EbscoController.php  120     10
...rib/edsapi-drupal8-plugin/src/Form/EbscoAdmin.php  38      1
...ntrib/edsapi-drupal8-plugin/src/Form/EBSCOAPI.php  91      9
.../edsapi-drupal8-plugin/src/Form/EBSCODocument.php  151     1
...pi-drupal8-plugin/src/Plugin/Block/EbscoBlock.php  1       3
...ib/edsapi-drupal8-plugin/src/Plugin/ebsco_eds.php  6       0
----------------------------------------------------------------------
A TOTAL OF 3598 ERRORS AND 133 WARNINGS WERE FOUND IN 18 FILES
----------------------------------------------------------------------
PHPCBF CAN FIX 2994 OF THESE SNIFF VIOLATIONS AUTOMATICALLY
----------------------------------------------------------------------

• Full PHP CS report phpcs.txt
• Instructions to setup and test the Drupal Standard for PHPCS