Put the extended algorithms into boost::range in a similar manner to the standard algorithms.
Added iota as an extended algorithm.
Fixed defects in the extended algorithms brought to light by the new unit tests.
[SVN r61042]
Adjust tests to use always use static linking to Boost.Test, since
linking to the shared version requires test changes.
Patch from Juergen Hunold.
[SVN r35989]
Neil Groves
Thorsten Jørgen Ottosen
Vladimir Prus