Reduce redundancy across integer operations
Parameterized integer FFI
Merge branch 'master' of git://github.com/edwinb/Idris-dev into unified-int-primitives

Conflicts:
	src/IRTS/CodegenC.hs
	src/IRTS/CodegenJava.hs
Fix Core.Execute to use IRTS.Lang.FType
Friendly smart constructors for foreign integer types
Merge pull request #294 from bitlisp/unified-int-primitives

Reduce redundancy across integer operations