New develop.svn.wordpress.org repository based on the old core.svn repository.

 * All WordPress files move to a src/ directory.
 * New task runner (Grunt), configured to copy a built WordPress to build/.
 * svn:ignore and .gitignore for Gruntfile.js, wp-config.php, and node.js.
 * Remove Akismet external from develop.svn. Still exists in core.svn.
 * Drop minified files from src/. The build process will now generate these.

props koop.
see #24976.

and see http://wp.me/p2AvED-1AI.


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git-svn-id: http://core.svn.wordpress.org/trunk@25001 1a063a9b-81f0-0310-95a4-ce76da25c4cd
SCRIPT_DEBUG is no longer needed when using develop.svn's src/ directory. see #24976.

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git-svn-id: http://core.svn.wordpress.org/trunk@25002 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use a CDATA second for comment authors in RSS2 comment feeds so that HTML in comments doesn't kill the XML validation.

Fixes #17767 props wonderboymusic, dzver.

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git-svn-id: http://core.svn.wordpress.org/trunk@25003 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make is much easier for a theme to style the Post Password form.

Fixes #18729 props philiparthurmoore for the original patches.

Built from https://develop.svn.wordpress.org/trunk@25010


git-svn-id: http://core.svn.wordpress.org/trunk@25004 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restore the for/id attributes in the post password for as they are necessary for accessibility tools. Fixes #18729.

Built from https://develop.svn.wordpress.org/trunk@25011


git-svn-id: http://core.svn.wordpress.org/trunk@25005 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove zero-byte files that were meant to be deleted in [23446]. see #23486.


Built from https://develop.svn.wordpress.org/trunk@25013


git-svn-id: http://core.svn.wordpress.org/trunk@25006 1a063a9b-81f0-0310-95a4-ce76da25c4cd