Spanish language
Added spanish language
Add update items to the default translation file.

“Downloading Update” and “Restart and Install Update” are shown in the Atom menu when Atom is updating.
Merge pull request #26 from rastus-vernon/patch-1

Add update items to the default translation file from @rastus-vernon
Localization files for Spanish language
Merge pull request #24 from adsase/patch-1

Spanish language from @adsase
Merge pull request #25 from adsase/patch-2

Added spanish language (MISSING COMMA!)
Fix missing commas from PR
Merge two spanish translations using HEAD as primary
Merge translations from @adsase and @fejnartal
Add Spanish to supported languages
Update Traditional Chinese translation
Merge branch 'patch-TC'
Update release notes
Update translation template
Prepare 1.16.0 release