Add dynamic declared _time attribute to cache object
add visibility keywords and PHPDocs for cache
Merge remote-tracking branch 'origin/master' into cachetimeattr
cleanup PHPDocs: DokuWiki_Syntax_Plugin is a DokuWiki_Plugin as well
PHPDocs for Doku_Event and handler
PHPDocs of cache classes
Improve PHPDocs pageutils
PHPDocs form
PHPDocs js.php
Fix PHPDocs emailadressvalidator
PHPDocs missing breaks, removed unused var in common.php
Merge pull request #557 from splitbrain/cachetimeattr

Add  _time attribute to cache object and minor PHPDocs improvements