#479 - Cleaning up all skills on stop process

- On stop mycroft-core executing cleanup of all skills

mycroft/skills/main.py

@@ -29,11 +29,13 @@ logger = getLogger("Skills")
 __author__ = 'seanfitz'
 
 ws = None
+skills = []
 
 
 def load_skills_callback():
     global ws
-    load_skills(ws)
+    global skills
+    skills += load_skills(ws)
     config = ConfigurationManager.get().get("skills")
 
     try:
@@ -43,10 +45,10 @@ def load_skills_callback():
 
     for loc in THIRD_PARTY_SKILLS_DIR:
         if exists(loc):
-            load_skills(client, loc)
+            skills += load_skills(client, loc)
 
     if ini_third_party_skills_dir and exists(ini_third_party_skills_dir):
-        load_skills(ws, ini_third_party_skills_dir)
+        skills += load_skills(ws, ini_third_party_skills_dir)
 
 
 def connect():
@@ -77,4 +79,9 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    try:
+        main()
+    except KeyboardInterrupt:
+        for skill in skills:
+            skill.cleanup()
+