Add next and prev buttons
Fix last commit
Fix prv,nxt + add cookie usage
Fix DLNAPNchanges logging
Specify renderer + reduce logspam in subtitle logging
Update messages_es.properties

Commit 33bb20a, e4ae0b0, eb03060, 483dfdc and 9cf9453
Merge pull request #356 from AlfredoRamos/patch-1

Update messages_es.properties
Windows uninstaller changes:

- Do not delete custom renderer files
- Delete the "data" and "web" folders
- Delete the "debug.log.prev" and "ffmpeg.webfilters" files
Try to fix the stretched subtitles issue
Added support for Xbox One via DLNA
Formatting
Formatting
Added renderer config setting PriorityLoading

This can be used to ensure that renderer configs using specific identifying strings take priority over those with overlapping, catch-all strings
Make sure we try to match Panasonic VT60 TV config before the more generic Panasonic TV config
Fixed startup crash on non-Windows operating systems
Fixed bug that caused subtitles to not be transcoded when the renderer supported streaming the file
Fixed renderer priority loading (still very badly implemented!)
Bumped version to 4.0.4
Enabled automatic updating to 4.0.3 on Windows
Download the correct build for the user's Java version when using automatic updating on Windows