cleanup wmake scripts

- match comments to names of scripts
  - remove comments about using C-shell (not true anymore)
  - use 'assert' style syntax in places instead of if/then/fi
  - wcleanMachine supports multiple arguments

wmake/scripts/makeOptions

@@ -28,26 +28,18 @@
 #
 # Description
 #     Scan the current directory for options and construct Make/options
-#     It has to be written in the C-shell rather than the Bourne shell
-#     because it uses file name manipulators.
 #
 #     Usage : makeOptions
 #
 #------------------------------------------------------------------------------
 
-if [ -r "Make/options" ]
+if [ -r Make/options ]
 then
-    echo "makeOptions: Make/options already exists, exiting"
-    exit 1
+   echo "makeOptions: Make/options already exists, exiting"
+   exit 1
 fi
 
-
-if [ ! -d "Make" ]
-then
-    mkdir Make
-fi
-
-rulesPath=$WM_DIR/rules/$WM_ARCH
+[ -d Make ] || mkdir Make
 
 rm -f Make/options