* convert package build to use host-build for ecpg, pg_config and zic
* introduce /lib/functions/postgresql.sh to be used by packages
requiring a postgres database to exist as well as postgres' init
* no longer require shadow-su, patch pg_ctl to setuid() ifself instead
* auto-create database directory if there is enough free space
* auto-create databases configured in UCI
* remove some dead uci config options
* grab maintainership
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
