[drupal-docs] Documenting PHP requirements

[Morbus Iff]

> GD is not on or enabled by default in the win32 distribution of php4.3.x

Or in the default PHP builds on OS X.

-- 
Morbus Iff ( you are nothing without your robot car, NOTHING! )
Culture: http://www.disobey.com/ and http://www.gamegrene.com/
O'Reilly Author, Weblog, Cook: http://www.oreillynet.com/pub/au/779
icq: 2927491 / aim: akaMorbus / yahoo: morbus_iff / jabber.org: morbus