convert omegas to Expect's

convert.sh

for pattern in \
  'Ω(a).Should(b) -> Expect(a).To(b)' \
  'Ω(a).Should(b, c) -> Expect(a).To(b, c)' \
  'Ω(a).ShouldNot(b) -> Expect(a).NotTo(b)' \
  'Ω(a).ShouldNot(b, c) -> Expect(a).NotTo(b, c)' \
  'Ω(a).To(b) -> Expect(a).To(b)' \
  'Ω(a).ToNot(b) -> Expect(a).NotTo(b)' \
  'Ω(a).NotTo(b) -> Expect(a).NotTo(b)' \
  ; do
  find . -name '*.go' -a -not -path '*/Godeps/*' | xargs gofmt -w -r "${pattern}";
done