Aid the user with building/installing cloog+isl

Summary:
Due to our new dependence on "non-standard" cloog and isl,
this will aid a user without root priveleges in building and installing
the packages to a neutral location.

Test Plan: win!

Reviewers: randall.rushing, jriordan001, anders3408, synergy

Reviewed By: synergy

Differential Revision: http://review.codefirex.com/D462