trac 5816 - fix any_range requiring copyable elements.
iterator_range interop with variant.
trac 8676 sliced adaptor fixed.
make msvc happy with the ticket 6715 test case.
make intel happy with type_erased static_assert calls.
trac 9515 - fix for uniqued adaptor consistent with unique algorithm.
ticket 5811 - attempt to fix link error on many automated regression test hosts.
trac 6742 - unit test showing working phoenix combined with the transformed adaptor.
trac 7188 c4127 warning in the equal function.
trac 7376 - join iterator reference type.
trac 9514 - adjacent_filtered requires a ForwardRange.
trac 8927 - added comment about std::partition requirements pre C++11.
trac 7842 - documentation inaccuracies on intro page for range adaptors.
type_erased abstract and brackets tests separated.
type_erased mix of values test separated.
removed obsolete test code from type_erased.cpp.
type_erased test separated the template parameter conversion test.
type_erased split out single-pass.
type_erased unit test separated bidirectional traversal.
type_erased test separated the forward traversal.