Add gasstations
Add travis CI integration
Merge branch 'master' of https://github.com/jbuck/node-car2go

# By Joe Hildebrand (1) and Jon Buckley (1)
# Via Jon Buckley
* 'master' of https://github.com/jbuck/node-car2go:
  Add travis CI integration
  Add gasstations

Conflicts:
	README.md
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