add linter step

Author: krvajal

package.json

@@ -101,13 +101,15 @@
         "vscode:prepublish": "tsc -p ./",
         "compile": "tsc -watch -p ./",
         "postinstall": "node ./node_modules/vscode/bin/install",
-        "test": "node ./node_modules/vscode/bin/test"
+        "test": "node ./node_modules/vscode/bin/test",
+        "lint": "node ./node_modules/tslint/bin/tslint ./src/*.ts ./src/debugAdapter/*.ts ./test/*.ts"
     },
     "devDependencies": {
         "typescript": "^2.0.3",
         "vscode": "^1.0.0",
         "mocha": "^2.3.3",
         "@types/node": "^6.0.40",
-        "@types/mocha": "^2.2.32"
+        "@types/mocha": "^2.2.32",
+        "tslint": "^4.0.2"
     }
 }

tslint.json

@@ -0,0 +1,50 @@
+{
+	"rules": {
+		"class-name": true,
+		"comment-format": [
+			true,
+			"check-space"
+		],
+		"indent": [
+			true,
+			"spaces"
+		],
+		"no-duplicate-variable": true,
+		"no-eval": true,
+		"no-internal-module": true,
+		"no-trailing-whitespace": true,
+		"no-var-keyword": true,
+		"one-line": [
+			true,
+			"check-open-brace",
+			"check-whitespace"
+		],
+		"semicolon": true,
+		"triple-equals": [
+			true,
+			"allow-null-check"
+		],
+		"typedef-whitespace": [
+			true,
+			{
+				"call-signature": "nospace",
+				"index-signature": "nospace",
+				"parameter": "nospace",
+				"property-declaration": "nospace",
+				"variable-declaration": "nospace"
+			}
+		],
+		"variable-name": [
+			true,
+			"ban-keywords"
+		],
+		"whitespace": [
+			true,
+			"check-branch",
+			"check-decl",
+			"check-operator",
+			"check-separator",
+			"check-type"
+		]
+	}
+}