Plural of staff is staff
better whitespace
Merge pull request #1930 from tom--/plural-of-staff-is-staff

Plural of staff is staff
[ci skip]
fixed password helper phpdoc typos
updated classmap
fixed another typo in password helper phpdoc
Merge pull request #1 from yiisoft/master

Updating project
Javascript elseif => else if
Merge pull request #1932 from tonybolzan/master

Javascript elseif => else if
[ci skip]