Fix timeseek

This is a4601a7 modified slightly for 3.x
Fixed a log message
Merge branch 'master' of github.com:UniversalMediaServer/UniversalMediaServer into 4.0.0

Conflicts:
	src/main/java/net/pms/dlna/DLNAResource.java
	src/main/java/net/pms/network/RequestV2.java
Made FFmpeg the default transcoding engine
91d9ace by valib for 4.0.0
Attempt to make transcoding to Samsung WiseLink TVs more reliable
Fix "fix timeseek"