Strip trailing blank lines (#1817)

If a blank line is intended add a single space and it will be included

Author: forslund

mycroft/skills/core.py

@@ -669,7 +669,7 @@ def __translate_file(self, name, data):
         if filename:
             with open(filename) as f:
                 text = f.read().replace('{{', '{').replace('}}', '}')
-                return text.format(**data or {}).split('\n')
+                return text.format(**data or {}).rstrip('\n').split('\n')
         else:
             return None