Adds support for Travis CI

.travis.yml

@@ -0,0 +1,19 @@
+language: csharp
+dist: trusty
+env:
+  global:
+    - DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+    - DOTNET_CLI_TELEMETRY_OPTOUT: 1
+mono: none
+dotnet: 2.1.300
+os:
+  - linux
+  - osx
+osx_image: xcode8.3
+branches:
+  only:
+    - master
+script:
+  - dotnet --info
+  - dotnet test test\Steeltoe.Tooling.Test
+  - dotnet pack

Tooling.sln

@@ -7,6 +7,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 	ProjectSection(SolutionItems) = preProject
 		.appveyor.yml = .appveyor.yml
 		.gitignore = .gitignore
+		.travis.yml = .travis.yml
 		CONTRIBUTING.md = CONTRIBUTING.md
 		LICENSE = LICENSE
 		README.md = README.md