Update Usage section in Jamroot

Jamroot

@@ -28,7 +28,13 @@
 #   --libdir=<LIBDIR>       Install library files here.
 #                           Default: <EPREFIX>/lib
 #
-#   --includedir=<HDRDIR>   Install header files here.
+#   --bindir=<BINDIR>       Install binary files here.
+#                           Default: <EPREFIX>/bin
+#
+#   --dlldir=<DLLDIR>       Install Windows .dll files here.
+#                           Default: <BINDIR>
+#
+#   --includedir=<INCDIR>   Install header files here.
 #                           Default: <PREFIX>/include
 #
 #   --cmakedir=<CMAKEDIR>   Install CMake configuration files here.
@@ -36,11 +42,20 @@
 #
 #   --no-cmake-config       Do not install CMake configuration files.
 #
+#   --datadir=<DATADIR>     Install data files here.
+#                           Default: <PREFIX>/share
+#
 #   stage                   Build and install only compiled library files to the
 #   =====                   stage directory.
 #
-#   --stagedir=<STAGEDIR>   Install library files here
-#                           Default: ./stage
+#   --stagedir=<STAGEDIR>             Stage library files here
+#                                     Default: <BOOST_ROOT>/stage
+#
+#   --stage-libdir=<STAGELIBDIR>      Stage library files here
+#                                     Default: <STAGEDIR>/lib
+#
+#   --stage-includedir=<STAGEINCDIR>  Stage header files here
+#                                     Default: <BOOST_ROOT>
 #
 # Other Options:
 #