merge branch profile-stdlib

[Benjamin Kosnik]

Silvius.

Please merge this branch into trunk for gcc-4.5. I've made some minor
fixes so that the testsuite runs without error and the documentation
is autogenerated correctly, which I've already checked in to the
profile-stdlib branch. For your reference, I am attaching them to this
email.

I have a couple of requests.

1) Please add 2009 to the copyright on the source files

2) the xml docs need a bibiliography section with a reference to your
CGO 2009 paper. Great read, highly recommended. 

3) doxygen documentation is lacking for the include/profile/vector
class, and all other classes. Please add some markup so that these
classes are visible in the doxygen docs. It is easier to see this lack
now that the files are being scanned...

There are some formatting issues but that will be easiest to just deal
with once it's merged. 

Thanks for your extreme patience, will try to be better in the future.
Look forward to seeing more on this, especially string policy work. 

best,
benjamin
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