[patch] Make configure options more consistent

[Don McCoy]

The attached patch changes a number of instances of --enable-* to use
--with-* instead, in order to make such usages more consistent with
other options.  The general rule is that --enable is used for features
and --with is used for specific libraries. 

The deprecated cases now include error messages to help users building
from source update their configure options (rather than follow the
default autoconf behavior of silently ignoring unrecognized options). 
The Quickstart guide has been updated as well.

Regards,

-- 
Don McCoy
don (at) CodeSourcery
(888) 776-0262 / (650) 331-3385, x712

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