added tools and web dirs

tools/trimcc.nim

@@ -0,0 +1,28 @@
+# Trim C compiler installation to a minimum
+
+import strutils, os
+
+proc newName(f: string): string = 
+  return extractDir(f) / "trim_" & extractFilename(f)
+
+proc walker(dir: string) = 
+  for kind, path in walkDir(dir):
+    case kind
+    of pcFile:
+      moveFile(newName(path), path)
+      # test if installation still works:
+      if executeShellCommand(r"nimrod c --force_build tests\tlastmod") == 0:
+        echo "Optional: ", path
+        removeFile(newName(path))
+      else:
+        echo "Required: ", path
+        # copy back:
+        moveFile(path, newName(path))
+    of pcDirectory:
+      walker(path)
+    else: nil
+
+if paramCount() == 1:
+  walker(paramStr(1))
+else:
+  echo "Usage: trimcc c_compiler_directory"