coroutine: introduction of property segmented-stacks

svn path=/trunk/libs/coroutine/; revision=82898
coroutine: fix for#8024 for C++11 too

svn path=/trunk/boost/coroutine/; revision=82974
coroutine: fix for bug #8101 - post-fix increment for iterators

svn path=/trunk/boost/coroutine/; revision=83046
coroutine: build segmented_stack_allocator depending on property <segmented-stacks>

svn path=/trunk/libs/coroutine/; revision=83047
coroutine: update documentation regarding to segmented stacks

svn path=/trunk/libs/coroutine/; revision=83150
coroutine: fix for segmented-stacks + parameter passing

svn path=/trunk/boost/coroutine/; revision=83236
coroutine: documentation fixed

svn path=/trunk/libs/coroutine/; revision=83314