dph-examples: QuickHull simple dumps (both vseg and copy), partially annotated.
dph-examples: Add handvectorised QuickHull.
dph-examples: Make genPointsDisc more uniform.
dph-examples: A cleaner approach to making genPointsDisc uniform (uses sqrt).
dph-lifted-copy: Expose all modules.
dph-examples: More comments in handvectorised QuickHull.
dph-examples: Fix handvectorised QuickHull early termination.
dph-examples: Simplify QuickHull eventlog tracing.
dph-examples: Remove scalar QuickHull hsplit.
dph-examples: More consistent naming in handvec QuickHull.
dph-examples: Cabal/Makefile hackery

- Bump base dependency to 4.7.*
- Remove `repa-flow' dependency
- Add handvectorised QuickHull executable to cabal file (commented out)
- Also remove annotated core dumps of vectorised QuickHull