Update to Swift 3.1

Author: CodaFi

.travis.yml

@@ -5,7 +5,7 @@ matrix:
   include:
   - os: osx
     language: objective-c
-    osx_image: xcode8.2
+    osx_image: xcode8.3
     script:
     - swift test
   - os: linux
@@ -15,9 +15,9 @@ matrix:
     env:
     before_install:
     - wget -q -O - https://swift.org/keys/all-keys.asc | gpg --import -
-    - wget https://swift.org/builds/swift-3.0.2-release/ubuntu1404/swift-3.0.2-RELEASE/swift-3.0.2-RELEASE-ubuntu14.04.tar.gz
-    - tar xzf swift-3.0.2-RELEASE-ubuntu14.04.tar.gz
-    - export PATH=${PWD}/swift-3.0.2-RELEASE-ubuntu14.04/usr/bin:"${PATH}"
+    - wget https://swift.org/builds/swift-3.1-release/ubuntu1404/swift-3.1-RELEASE/swift-3.1-RELEASE-ubuntu14.04.tar.gz
+    - tar xzf swift-3.1-RELEASE-ubuntu14.04.tar.gz
+    - export PATH=${PWD}/swift-3.1-RELEASE-ubuntu14.04/usr/bin:"${PATH}"
     script:
     - swift test
 notifications:

Sources/FileCheck/CheckString.swift

@@ -1,11 +1,3 @@
-//
-//  CheckString.swift
-//  FileCheck
-//
-//  Created by Robert Widmann on 3/9/17.
-//
-//
-
 import Foundation
 
 enum CheckType {

Sources/FileCheck/Diagnostics.swift

@@ -1,11 +1,3 @@
-//
-//  Diagnostics.swift
-//  FileCheck
-//
-//  Created by Robert Widmann on 3/9/17.
-//
-//
-
 import Foundation
 
 func diagnose(_ kind : DiagnosticKind, at loc : CheckLoc, with message : String, options: FileCheckOptions) {

Sources/FileCheck/FileCheck.swift

@@ -2,8 +2,6 @@ import Foundation
 
 #if os(Linux)
   import Glibc
-
-  typealias NSRegularExpression = RegularExpression
 #else
   import Darwin
 #endif