Update swiftlint script and remove trailing characters

Author: bcylin

.swiftlint.yml

@@ -2,6 +2,7 @@ disabled_rules:
   - file_length
   - line_length
   - type_body_length
+  - vertical_whitespace
 excluded:
   - Carthage
   - Pods

Example.xcodeproj/project.pbxproj

@@ -284,7 +284,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "if which swiftlint >/dev/null; then swiftlint; fi";
+			shellScript = "sh ${SRCROOT}/scripts/swiftlint.sh";
 		};
 		CAB3B20531AAE2438C48D751 /* [CP] Embed Pods Frameworks */ = {
 			isa = PBXShellScriptBuildPhase;

Example/CustomizedTokenViewController.swift

@@ -37,7 +37,7 @@ class CustomizedTokenViewController: UIViewController, ICTokenFieldDelegate {
   override func loadView() {
     super.loadView()
     view.backgroundColor = UIColor.white
-    textView.text = "[\n\n]";
+    textView.text = "[\n\n]"
     textView.font = UIFont.preferredFont(forTextStyle: .subheadline)
     textView.frame = view.bounds.insetBy(dx: 10, dy: 10)
     textView.autoresizingMask = [.flexibleWidth, .flexibleHeight]

Example/StoryboardViewController.swift

@@ -33,12 +33,12 @@ class StoryboardViewController: UITableViewController {
     didSet {
       tokenField.normalTokenAttributes = [
         NSForegroundColorAttributeName: UIColor.white,
-        NSBackgroundColorAttributeName: UIColor.white.withAlphaComponent(0.25),
+        NSBackgroundColorAttributeName: UIColor.white.withAlphaComponent(0.25)
       ]
 
       tokenField.highlightedTokenAttributes = [
         NSForegroundColorAttributeName: UIColor.darkGray,
-        NSBackgroundColorAttributeName: UIColor.white,
+        NSBackgroundColorAttributeName: UIColor.white
       ]
     }
   }

scripts/swiftlint.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+SWIFTLINT_VERSION="0.13.2"
+
+if ! command -v swiftlint >/dev/null; then
+  brew install swiftlint
+elif [ $(swiftlint version) != "$SWIFTLINT_VERSION" ]; then
+  brew upgrade swiftlint
+fi
+
+swiftlint