Log Message:
Changes 1.43.0:
New Libraries:
* Functional/factory: Function objects for dynamic and by-value construction.
* Functional/forward: Function object adapters to address the forwarding
 problem.
Major Updates:
* Range: Boost.Range has undergone extensive updates that it include all of the
  features from the recently reviewed Boost.RangeEx.
* Range-based version of the full STL iterator based algorithms.
* Range adaptors which can be combined with range-based algorithms for
  unpresedented expressiveness and efficiency.
* New functions: irange, istream_range, join, combine.
Updated Libraries
Build System:
* When cross-compiling to GNU targets, static libraries are properly created.
  Previously, using such libraries resulted in Archive has no index error.
* The naming of DLL and import libraries with gcc compiler on Windows, both
  mingw and cygwin, now matches default conventions of those environments.
  Previously, the naming scheme was the same as for other Windows compilers.
Updated Tools:
* Quickbook: Unicode escape characters.
* Support the UTF-8 byte order mark.
* Disallow [ in simple markup. Fixes some errors with mismatched punctuation.
* Add a command line flag (-D) to define macros at the command line.
* Improved post-processor output.
* Check that [section] and [endsect] tags are balanced in templates.