gulp tasks refactored. watch fixed. prod vs develoment config.
gulp tasks refactored. watch fixed. prod vs develoment config.

ministryofjustice/opg-digi-deps-client,ministryofjustice/opg-digi-deps-client,ministryofjustice/opg-digi-deps-client,ministryofjustice/opg-digi-deps-client