Initial version of README.org and config.

This configuration minimises the number of packages
and kernel modules which are not of interest in the
context of a docker image.
Squashed 'feeds/packages/' content from commit b80fe2e

git-subtree-dir: feeds/packages
git-subtree-split: b80fe2edbc891cbafcd845b5cb79236606690187
Merge commit '9c3a091474b435c01223e451a169235396ba77d4' as 'feeds/packages'
Squashed 'feeds/luci/' content from commit 91532de

git-subtree-dir: feeds/luci
git-subtree-split: 91532de6179704e4c69f1580274123f5956baf03
Merge commit '03faa27569bb86511066563378c2f68202a70db3' as 'feeds/luci'
Squashed 'feeds/routing/' content from commit e0ef57f

git-subtree-dir: feeds/routing
git-subtree-split: e0ef57fa737b21abde5fbbbac5f26281b9409210
Merge commit '61f9c8640856da23c72ec2662917a8a426ad0345' as 'feeds/routing'
Squashed 'feeds/telephony/' content from commit 75a04e3

git-subtree-dir: feeds/telephony
git-subtree-split: 75a04e31e2f13c1baca5c77245754c5f7a3a7160
Merge commit '534031c0bbe39d47020fba1c2cf77895ed74b99b' as 'feeds/telephony'
Squashed 'feeds/management/' content from commit 5fa8a83

git-subtree-dir: feeds/management
git-subtree-split: 5fa8a83b40acc4b09e0ea4107c53ff4e53e20cf7
Merge commit 'e5e1137e9bf8e9ad22c21d39ee82c73b0b5fe40e' as 'feeds/management'
Updated doc for 'git subtree' usage
Update freeradius to 2.2.6 as 2.2.5 is gone from their ftp server

Removed patch which was applied upstream.
Fixed build error in python-dns
Small README update