Add a rudimentary test environment based on Travis (#24)

* skeleton travis config

* add a file test for the generated binary

* add in a few more target calls and tests

* add a banner for the travis build, will need updated to use upstream rather than my fork

* Update .travis.yml

* Update README.md

.travis.yml

@@ -0,0 +1,9 @@
+language: go
+services:
+  - docker
+script:
+- make build
+- test -f bin/amd64/myapp
+- make container
+- docker images | grep thockin/myapp-amd64
+- make test

README.md

@@ -1,4 +1,5 @@
 # Go app template build environment
+[![Build Status](https://travis-ci.org/thockin/go-build-template.svg?branch=master)](https://travis-ci.org/thockin/go-build-template) 
 
 This is a skeleton project for a Go application, which captures the best build
 techniques I have learned to date.  It uses a Makefile to drive the build (the