Add an entity ValueDef for top level constants and let compileProgTop
perform the hoisting of the first literals to the top level.
Merge pull request #60 from pjonsson/top-values2

Add an entity ValueDef for top level constants and let compileProgTop perform the hoisting of the first literals to the top level.

Conflicts:
	lib/Feldspar/Compiler/Imperative/FromCore.hs
Merge branch 'master' into pjonsson-top-values2
Whitespace