add missing '&' before 't' in url construction
make media links in rss feeds absolute

This resolves issues with broken images when the wiki feed is
hosted by third parties (e.g. FeedBurner), as mentioned in
FS#2931 comments.
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
if configured renderer is not found, try to fallback to a bundled renderer
add test for p_get_renderer() with fallback
remove reference operator from p_get_renderer() declaration, not required for php5
add renderers to autolader
rework p_get_renderer() for use with autoloading bundled renderers
code cleaning - add some braces
change to an Exception and expect it