Add some guidance for local installations and sample execution. (#468)
Add some guidance for local installations and sample execution. (#468)

* Local build and sample execution instructions.

* cosmetic fixes

* Update INSTALL.md

* Move to samples/README

ncave/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,fable-compiler/Fable,fable-compiler/Fable,ncave/Fable,fable-compiler/Fable,ncave/Fable,ncave/Fable,fable-compiler/Fable,inosik/Fable,inosik/Fable