When a plugin file exists, we can assume it is the correct file and load
it without error supression. This makes it much easier to detect and
debug problematic plugins.

this fixes the HTTP tests which do test the base class directly instead
of the DokuHTTPClient subclass

this splits the long auth_cryptPassword() function into many member
functions of a new class PassHash which should make it more
maintainable and reusable for other projects.

This also adds two new methods djangomd5 and djangosha1 as used by the
popular python framework Django.

Maybe the auth_cryptPassword() and auth_verifyPassword() functions
should be deprecated in favor of using the class directly?

This makes it possible to autoload the sitemapper when needed.

This patch adds an option to choose how filenames are encoded
when saved to the file system. You can choose between urlencoding
(url), the new SafeFn method (safe) and storing real UTF-8 (utf-8).

This patch moved the place where DOKU_PLUGIN is defined. It no longer
can be set from a normal config (only via preload)

those are loaded on demand through the autoloader mechanism

Also cliopts.php is not loaded automatically at all

Classes are loaded throug PHP5's class autoloader, all other
includes are just loaded by default. This skips a lot of
require_once calls.

Parser and Plugin stuff isn't handled by the class loader yet.