Add Travis CI
Merge pull request #65 from Indiv0/add-travis-ci

Add Travis CI
Update .travis.yml
Remove and ignore .DS_Store files
Update front-page intro example

Fix typos
Update piston docs
Merge pull request #69 from Indiv0/update-example

Update front-page intro example
Merge pull request #71 from lucidd/docs

Updated Piston Docs