* added "Send to device" in multi-select menu in Library
	* feeds are sent one by one with a 10-second delay in between
* moved saving episodes to IO dispatcher at receiver device
* fixed bug in checking whether feed is in normal volume, that affects feeds in a sub-volume
	* fixed catalog not including feeds in normal volumes
	* fixed other related issues, including feed refresh, auto-enqueue/download
* send catalog is temporarily disabled (need proper handling of duplicate feeds)
