add extra command "export_storage" to export data for use with Radicale 2.x.x
remove myself as PKG_MAINTAINER, give back to the community

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

* upstream to Radicale 1.1.1
* add file list to be saved on sysupgrade

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

* upstream to Radicale 1.1
* new "boot_delay" option (default 10 seconds) to wait for interfaces to come up before hotplug restarts are enabled.

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

* fixed hotplug script (not restarting on "ifup")
* fixed init script (not stopping in 1 second)
* fixed PKG_MAINTAINER string
* removing not needed comments in config file

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>

Inspired by OpenWrt Ticket System Ticket 9119
Python3 package currently marked as @BROKEN because no time for testing.

Signed-off-by: Christian Schoenebeck <christian.schoenebeck@gmail.com>