Add tasks for all the new languages

Task/Make-directory-path/ERRE/make-directory-path.erre

@@ -0,0 +1 @@
+OS_MKDIR("C:\EXAMPLES\03192015")

Task/Make-directory-path/Ring/make-directory-path.ring

@@ -0,0 +1,11 @@
+System("mkdir C:\Ring\docs")
+isdir("C:\Ring\docs")
+
+see isdir("C:\Ring\docs") + nl
+func isdir cDir
+     try
+        dir(cDir)
+        return true
+     catch
+        return false
+     done

Task/Make-directory-path/Sidef/make-directory-path.sidef

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+Dir.new(Dir.cwd, "path", "to", "dir").make_path;   # works cross-platform