Log Message:
Changes 1.44.0:
New Libraries
* Meta State Machine: High-performance expressive UML2 finite state machines,
  from Christophe Henry
* Polygon: Booleans/clipping, resizing/offsetting and more for planar polygons
  with integral coordinates, from Lucanus Simonson.
Updated Libraries
* Accumulators
* Asio
* Config
* Filesystem
* Foreach
* Hash
* Iostreams
* Math
* MPL
* Multi-index Containers
* Proto
* Regex
* Thread
* TR1
* Type Traits
* uBLAS
* Utility
* Uuid
* Xpressive