Update messages_es.properties

Commits 123616eec8 123616eec8 and 23eb7a0fa6
Merge pull request #263 from AlfredoRamos/patch-1

Update messages_es.properties
Bumped version to 3.5.1
Enabled automatic updating to 3.5.0 on Windows
Merge branch 'master' of github.com:UniversalMediaServer/UniversalMediaServer
Formatting
MPlayer thumbnail generation is disabled in the GUI if "Generate thumbnails" is unticked
Added support for Cambridge Audio Azur BD players (thanks, Triplefun!)
Compressed the renderer images
Use more efficient an entrySet iterator
Fix wrong entrySet implementation
Simplyfy the code
Formatting
Removed redundant check
Fixed not logical DLNAMediaDatabase implementation
Fixed FFMpeg subtitles convertion. Based on
https://github.com/tdcosta100/UniversalMediaServer/commit/ea753f0d733cee9dc80cf192c7434930a3b2cde5
Thanks tdcosta100
Fix bug in Matroska container detection
Update CZE translation
Update CZE translation
Add application category for OS X

The /Application folder tends not to be subfoldered so since Lion, this folder's had View --> Arrange by Application Category -- but without the metadata it gets sorted into "Other" at the bottom. "public.app-category.entertainment" is the category used by media servers in the App Store.