split config checkin

svn path=/branches/split-config/boost/boost/config.hpp; revision=10743
Added split-config branch files

svn path=/branches/split-config/boost/boost/config/; revision=10792
Some more MWCW fixes, plus added Aix support.

svn path=/branches/split-config/boost/boost/config/; revision=10839
Changed BOOST_SYSTEM_HAS_STDINT_H to BOOST_HAS_STDINT_H

svn path=/branches/split-config/boost/boost/config/; revision=10888
changed BOOST_SYSTEM_HAS_STDINT_H to BOOST_HAS_STDINT_H, regenerated test programs with fixed comments.

svn path=/branches/split-config/boost/libs/config/; revision=10889
added BOOST_COMPILER and BOOST_STRINGIZE

svn path=/branches/split-config/boost/boost/config/; revision=10996
Sort VC7 part to match sorting order of VC6 part.
Use _NATIVE_WCHAR_T_DEFINED to detect whether
intrinsic wchar_t is available instead of trying
to guess based on the compiler version.

svn path=/branches/split-config/boost/boost/config/; revision=11054
Fixed conflicts during merge

svn path=/branches/split-config/boost/boost/config/; revision=11075
Interim config updates (note this does not yet reflect the final review comments!!!!)

svn path=/branches/split-config/boost/boost/config/; revision=11076
Interim config update (this does not yet reflect the final review comments!!!!!)

svn path=/branches/split-config/boost/libs/config/; revision=11077
Updated docs, modified individual test programs to ignor BOOST_ASSERT_CONFIG

svn path=/branches/split-config/boost/libs/config/; revision=11084
renamed some files, added version checks

svn path=/branches/split-config/boost/boost/config/; revision=11085