Iron indentation in 'timezone' class.

Reduce level by one, remove mixed indentation characters.
Also adds some LFs to before and after blocks, and
array values.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5416 2fea6a4d-a838-0410-917b-93a53c48e9d2
State members' visibility.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5417 2fea6a4d-a838-0410-917b-93a53c48e9d2