Test release: 2.13.15

Released on 18th April 2018. Look at the list of changes.

	Windows Vista, 7, 8, 10 32-bit — 64-bit	Windows XP 32-bit — 64-bit
	Mac OS X DCP-o-matic — Player — KDM Creator — Encode Server — Batch Converter
	Ubuntu 18.04 64-bit	Ubuntu 17.10 64-bit	Ubuntu 16.04 32-bit — 64-bit	Ubuntu 14.04 32-bit — 64-bit
	Mint 18 32-bit — 64-bit	Mint 17 32-bit — 64-bit
	Debian unstable 64-bit	Debian 9 64-bit	Debian 8 64-bit	Debian 7 64-bit
	Fedora 27 64-bit	Fedora 26 64-bit
	Centos 7 64-bit	Centos 6 64-bit
	Mageia 6 64-bit
	Source code .tar.bz2