Add init script to create uap0 interface when needed. Fixes #44.
Setup uap0 interface on dreamplug, using hostapd to configure wifi AP.
Enable dhcp on wlan network.
Create uap0 interface before starting tor.
Bring up uap0 during first-run.
This allows interface-detect to see it.
Set HOME in first-run initscript so etckeeper can find the git config.
Merge pull request #46 from jvalleroy/wifi-ap-setup-2

Add Dreamplug WiFi AP setup.  Fix etckeeper initial setup.