[wp-testers] 2.1 RC2

[Ryan Boren]

http://wordpress.org/release-archive/wordpress-2.1-RC2.zip

* Make sure the server has MySQL 4.0.0 before attempting upgrade or install
* Drop all JS compression
* #3343 Delete categories JavaScript error: Object doesn't support
this property or method
* #3596 Manage>Uploads Single Image View's wide image Input boxes are Too Small
* #3589 Don't translate admin username
* Always load gettext libs
* Drop feed: from themes
* Improve page update speed when there are a large number of pages