[haiku-doc] Phase III .diff List.dox

I've completed the phase III proofreading of List.dox, and have appended the .diff as such. This is my first ever experience on the production end of svn, so be gentle :). Alls this was done on a Mac, using TextWrangler. 

Comments greatly appreciated!
A few notes: the biggest problem I encountered were contractions. Contractions [1] should not be used in written English. Since David completed phase II of this dox today, I simply changed his "r2" to "r3", so there won't be any naming conflicts on your harddrive. 


Thom Holwerda


[1] i.e. "don't" => "do not".

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