Fix for PLAT-1238 - if a used port exists and is free, it should be used again if the entry restarts publishing
Fix for PLAT-1283 - if entry was multicast earlier, re-use its old port if possible
Merge branch '3.0.8' of https://github.com/kaltura/media-server into 3.0.8

Conflicts:
	KalturaMediaServer/src/com/kaltura/media/server/VERSION.txt