Update .travis.yml

Don't try to push back to the repo on a PR to master
Update readme.md [ci skip]

Switch to fancy new SVG build badge!
Update .travis.yml
Update version number [ci skip]
Update binary to latest (2.2.7) [ci skip]
Added System.Net.Http library and removed the WebRequest dependency.
Added .editorconfig file
Added basic tests for AwsRestService class