together.
* tools/rc.jam: Move a lot of staff from tools/msvc.jam
* tools/msvc.jam: Change RC->OBJ generator into RC->RES and add
optional property for this generator, so that it's not used on
other toolsets.
* build/generators.jam
(generator.__init__, register-standard): Accept 'optional-properties'
parameter.
[SVN r23247]
Added the directory of the generated files to the include path,
allowing files created by other generators to be included by the resource
script.
Patch from Pedro Ferreira.
[SVN r20614]