Basic build system
Further flesh out build system
Update packages_gluon
Improve feed handling
Various fixes and enhancements
Add README
Don't use tabs to indent README
Add support for hardware profiles with different module sets
Enable IPv6 module
Reprepare OpenWRT by default on make
Add firewall to default packages
Update packages_gluon
Fix parallel build of images target
Update packages_gluon
Create package index and do other image preparations just once
Use separate root directories for different profiles
Create rootfs images for different profiles in separate directories
Allow parallel build of different profiles

This reverts commit 783797a321e7cdf2a6dd3d137ffae8d5725c78d5.
Use nice OpenWRT make output
Fix gluon_prepared_stamp reference