removed the html files from Boost.Range since the docs are now in the build.
ticket 8028 - combine reimplemented and now documented.
ticket 5817 any_range default template params.
updated algorithms.qbk to explicitly mention range_return_value so that this can be searched for.
added algorithm_ext insert algorithm for containers without a where iterator.
ticket 9072 iterator_range accept reference to function type.
ticket 7328 gccxml compatibility.
ticket 7294 iterator_range hash_value support.
updated docs for hash_value iterator_range support.
ticket 7885 rvalue support for metafunctions.
Merge branch 'boostorg/develop' into oven

Signed-off-by: Kohei Takahashi <flast@flast.jp>