Make it faster, prettier, less wrong, add UI effects, use jQuery UI Dialog,
Abstract tree view stuff away into jQuery.dw_tree

Passed every png file through http://www.smushit.com/ysmush.it/ saving some 1-2kb of binary image data

This reverts commit 48714142.
Additionally there is a new fix for FS#2107 that doesn't introduce a lot
of checks but instead ensures that the configuration option can't be set
to negative values when the configuration manager is used.

This fixes an infinite loop in breadcrumbs() and makes the behaviors in
all places where breadcrumbs are used consistent so that non-numeric
values, values < 0 and 0 are treated the same way.

Template authors might need to adjust their CSS

FS#1874: removed padding for interwiki links in print stylesheet, as the icons aren't displayed there

This introduces a new function called tpl_flush() which should be used
by template authors in favor of the PHP flush() method.

Ignore-this: e1b3b815b5ebb0da320bff997c4fed4b

darcs-hash:20091130130311-6e07b-03ccfc52abb3dcc0764eed5784d81f8416841328.gz

darcs-hash:20091202122434-e4919-d7be5b868af742e2408091b48f0152153ff1acb1.gz

darcs-hash:20091115124835-f7d6d-16e82c8e19c98111f42eccfb52f004b40ce7c928.gz

Ignore-this: 7193cd788fee2c05a9068bf6edd5dc17

It is now possible to use the %f placeholder in $conf['dformat']
to add a fuzzy age string.

Template developers and plugin authors should replace their strftime +
$conf['dformat'] calls with calls to the new dformat() function.

Example:

   %Y/%m/%d %H:%M (%f) produces dates like this:

   2009/09/16 10:36 (3 weeks ago)

darcs-hash:20091007133614-6e07b-677108d1b43928ef8fd886813e43514507b5e073.gz

Ignore-this: 27ea52110bce929b2c61ed8faba67cfc

darcs-hash:20091016205526-c0bf4-35eba4e65d37980a667ba982f7f1ea5b7b07f01c.gz

Ignore-this: e3c9b5f941b2f1aa83ca375861203a2f
This patch adds another button for users with the $conf['manager'] role when
viewing an old revision. It allows them to revert to this revision with a
single click.

darcs-hash:20090911081833-7ad00-5a64feb7e3e1b37178295c290a6c97c3923e82e3.gz

Ignore-this: 6aee01f1e872490512480ff8cac566be

darcs-hash:20090827142929-6e07b-2aba4d2ac75c870f0c6e4ec903ec3c9ce5863842.gz

Ignore-this: 100b66fbe26d82dfd6cffba751cf6992

darcs-hash:20090814114056-7ad00-f5dc711f467f9f6d8904bb6b08d7daac4e675ec2.gz

Ignore-this: ae47b532b80d10868e82e0ccc5c963d1

A DOM object that is dragged through the new drag Object gets the ondrag
assigned.

note: development was part of the ICKE 2.0 project see
        http://www.icke-projekt.de for info

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