Merge pull request #36 from carlosrusso/master

[CLEANUP] prevent double escaping of UTF8 characters
[es, es_ES, es_MX] Translations for the report viewer controls and better strings for welcome page buttons
[es, es_ES, es_MX] Add myself to the credits in metadata.json
Merge pull request #37 from bluezio/master

[es_ES] Translations for the report viewer and better strings for default plugin
[CLEANUP] [all] Added placeholder file  system/admin-plugin/resources/nls/messages.js
Merge branch 'master' of github.com:webdetails/pentahoLanguagePacks