added travis badge.
added .travis.yml
making tests play nice with travis.
Merge pull request #26 from bcoe/travis

Adding Travis Tests
bumped version #.
security fix based on @othiym23 suggestion.
bumped version #.
Merge pull request #27 from bcoe/security-fix

Small Security Nit
Merge branch 'master' of https://github.com/bcoe/sandcastle

Conflicts:
	lib/sandbox.js