travis: secure variables arent set in a pull request
travis: record latest changeset
Fix switch instructions
Merge pull request #37 from samoht/master

Fix switch instructions
use `which mirari` to workaround the sudo, suggested by @jonludlam
Merge branch 'master' of github.com:avsm/mirage-www

Conflicts:
	.travis-ci.sh
Fix Amazon EC2 tools url