PHP CS Fixer - correct link
.php-cs - add whitespacy_lines fixer
library - apply whitespacy_lines fixer
tests - apply whitespacy_lines tests
Merge pull request #7049 from keradus/whitespacy_lines

CS: Remove trailing whitespace the end of blank lines.
Merge pull request #7050 from keradus/fabpot

PHP CS Fixer - correct link
.php_cs - add encoding fixer
Merge pull request #7052 from keradus/encoding

.php_cs - add encoding fixer