Update for rename of user jdc0589

As documented in https://github.com/jdavisclark/CaseConversion/issues/44 , jdc0589 renamed to jdavisclark, causing installation of a package to fail (intermittently?).

repository/c.json

@@ -342,7 +342,7 @@
 		},
 		{
 			"name": "Case Conversion",
-			"details": "https://github.com/jdc0589/CaseConversion",
+			"details": "https://github.com/jdavisclark/CaseConversion",
 			"releases": [
 				{
 					"sublime_text": "*",

repository/j.json

@@ -946,7 +946,7 @@
 			]
 		},
 		{
-			"details": "https://github.com/jdc0589/JsFormat",
+			"details": "https://github.com/jdavisclark/JsFormat",
 			"releases": [
 				{
 					"sublime_text": "*",