Added Travis CI support

.travis.yml

@@ -0,0 +1,29 @@
+language: generic
+matrix:
+   include:
+      # Test Ubuntu Linux 16.04 / Swift 5
+       - os: linux
+         dist: xenial
+         sudo: required
+         env:
+           - SWIFT_VERSION=swift-5.0-RELEASE
+           - SWIFT_URL=https://swift.org/builds/swift-5.0-release/ubuntu1604/swift-5.0-RELEASE/swift-5.0-RELEASE-ubuntu16.04.tar.gz
+         install:
+           - export PATH=$(pwd)/tests/$SWIFT_VERSION-ubuntu16.04/usr/bin:"${PATH}"
+      # Test Xcode 10.2 / Swift 5
+       - os: osx
+         osx_image: xcode10.2
+addons:
+  apt:
+    packages:
+    - clang
+    - pkg-config
+script:
+  # Setup Linux environment
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get update ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get install clang ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then SWIFT_DIR=tests ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then mkdir $SWIFT_DIR ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then curl $SWIFT_URL -s | tar xz -C $SWIFT_DIR &> /dev/null ; fi
+  # Run Unit Tests
+  - swift test