Fix O3 warnings

* Also fix-up Makefile

Conflicts:
	Makefile

Change-Id: Ica89730b4025362aa7f009086fbdddfc52686fd8
Add back gcc-wrapper

This reverts commit 77fbfc7cda209c234dbdf881ea9fc18366059bf6.
Get rid of iosched test
Bye block tests
Get rid of all dcvs/mpdecision stuff
Remove some debugging
Prima: Disable debugging and panic