Merge branch 'hotfix/php-5-3-syntax-error-fix'
cs fixes for Zend\Cache
Merge branch 'cs/#7047-zend-cache-psr2-compliance'

Close #7047
Merge branch 'cs/#7047-zend-cache-psr2-compliance' into develop

Close #7047
Forward port #7047
cs fixes for Zend\Code
Merge branch 'cs/#7048-zend-code-psr2-compliance' into develop

Close #7048
Forward port #7048
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