common: add more directories to include path

fixes hostapd build. ensures hostapd can find needed include files in the
staging directory instead of local host machine.
installer:log install output and pause on error

This pauses provisioning if script fails and allows user to see error messages.
Also stores provisioning script output in a log file
provisioning: increase scrollback buffer

this increases the scrollback buffer from 32k(4 pages) to 512k(64 pages)
zotac-cleanups: adds necessary qemu-cleanup parts

this adds the necessary autologin changes from qemu cleanups to zotac cleanups
Merge pull request #16 from cozybit/ft-anthony-fixes

Fixes