[boost] New Version (0.4.2) of proposed Boost.Application library is available.

Documentation: http://www.dokfile.com/appbeta4/docs/libs/application/doc/html/index.html http://www.dokfile.com/appbeta4/docs/libs/application/doc/html/index.html Code: https://github.com/retf/Boost.Application News in this release: * Now aspect_map class is Thread Safe. * Now aspect_map interface use names are more in line with the STL (e.g.: insert, find and so on) The documentation of aspect_map: <http://www.dokfile.com/appbeta4/docs/libs/application/doc/html/boost/applic ation/aspect_map.html> http://www.dokfile.com/appbeta4/docs/libs/application/doc/html/boost/applica tion/aspect_map.html * Some fixes on code and docs. Please send your comments!