Fix PHPDoc in /apps
PHPDoc fixes for user_ldap
Fix more missing or broken PHPDoc
Remove spaces around | operator in doc block.
Reduce double-space with single-space.
Fix whitespace issues
Merge pull request #8585 from owncloud/phpdoc-improvements-apps

PHPDoc improvements /apps

* owncloud/phpdoc-improvements-apps:
  Fix whitespace issues
  Reduce double-space with single-space.
  Remove spaces around | operator in doc block.
  Fix more missing or broken PHPDoc
  PHPDoc fixes for user_ldap
  Fix PHPDoc in /apps