Revert "Switch to wpa_supp 0.8"

This reverts commit 03d3edb922f03330186f08e1f922f8f88d3c0200.
Fit gps server name and port with gps.conf

From Shendu

Change-Id: I7e23b7433b0fbb13f1ac89728ede249dcba5c472
Fixes to liblight

From Shendu

Change-Id: Ia7fe45938ef4b84e948295bd81ce03b3c4e89ca1
Use UMS default

From Shendu

Change-Id: I043bd3206a36e5c348d53934b2a9ed7a04c2e94b