[ros-svn] [royce] 12845: Factories for Backend creation

[royce at svn.reactos.com]

Factories for Backend creation


Updated files:
branches/xmlbuildsystem/reactos/tools/rbuild/backend/backend.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/backend/backend.h
branches/xmlbuildsystem/reactos/tools/rbuild/backend/mingw/mingw.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/backend/mingw/mingw.h
branches/xmlbuildsystem/reactos/tools/rbuild/backend/mingw/modulehandler.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/exception.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/exception.h
branches/xmlbuildsystem/reactos/tools/rbuild/module.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/project.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/rbuild.cpp
branches/xmlbuildsystem/reactos/tools/rbuild/ssprintf.cpp