jde-semantic-require and compiling single files

Hi Paul,

jde.el defines jde-semantic-require which seems to exist only to support
CEDET in Emacs 23.2 (see r236, r238, r252).
 
Given that JDE does not actually work with the Emacs version of CEDET
would anyone mind if I removed this indirection? I'd also set the min
CEDET version to 1.0 while I am it.

Doing so removes a circular compilation dependency that makes it hard to
compile single elisp files as the code is written right now. It is also
cleaner since Emacs 23+ and CEDET 1.0+ are the targets for trunk as
discussed late last year.

I'm working on my Grand Project to get a clean baseline that I can port
to Emacs CEDET. Some day :-)

Cheers!
Shyamal

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