Add ion header to includes

Change-Id: I05016ed5451b00fe12a93381b233afa1a874ed94
Use set_perm instead of set_metadata (apache doesn't support metadata yet)

Change-Id: Ifaa7a8eb2fbdef348925c888fba3d001d7d8afb5
Use cortex-a9 optimization until scorpion is fixed

Change-Id: Ie79dd1c0196a080e3a2ecdb56e1b73f4c2e1c42f