Spanish es_ES translation file update
Update resources/com/pahimar/ee3/lang/nl_NL.xml

Hope this is right now.
Again, couldn't think of a fitting translation of "overlay", but I think it will be clear enough.
Updated es_ES localization, deleted commands localization
Merge pull request #170 from Grovert11/patch-3

Update resources/com/pahimar/ee3/lang/nl_NL.xml
Merge pull request #171 from Sirquini/master

Update resources/com/pahimar/ee3/lang/es_ES.xml
Updated Welsh localisation. Thanks for the command changes :)!
Merge pull request #172 from dionrhys/welsh-localisation

Updated Welsh localisation. Thanks for the command changes! :)