Added Shell Command plugin, based on Emacs extension of same name.

repository/s.json

@@ -459,6 +459,17 @@
 				}
 			]
 		},
+                {
+                        "name": "Shell Command",
+                        "details": "https://github.com/markbirbeck/sublime-text-shell-command",
+                        "labels": ["shell", "emacs"],
+                        "releases": [
+                                {
+                                        "sublime_text": ">=3000",
+                                        "details": "https://github.com/markbirbeck/sublime-text-shell-command/tags"
+                                }
+                        ]
+                },
 		{
 			"name": "Shell Turtlestein",
 			"details": "https://github.com/misfo/Shell-Turtlestein",