Place pasta in chilled medium bowl. In another bowl, add olive oil, fresh squeezed lemon juice, garlic, the dry seasonings and freshly ground black pepper. Whisk until well mixed. Pour half over pasta and stir lightly with spatula. Slice cucumber thinly and cut into quarters. Cut cherry tomatoes into quarters. Coarsley chop purple onion. Snip parsley. Drain can of olives. Add all to pasta along with the rest of the dressing. Cut Feta cheese with a pastry blender and add to pasta and vegetables. Toss lightly.