add travis
Merge pull request #5 from freewil/travis

add travis
use `always` trust model for test keys
Update README.markdown
use `always` trust model for test keys
Merge branch 'master' of github.com:drudge/node-gpg
Update .travis.yml
Update package.json
Merge branch 'master' of github.com:drudge/node-gpg
make decrypt() consistent with encrypt()

Also, use gpg exit code to determine if an error has occurred
since gpg will sometimes use stderr for warning/informational
messages.
`--no-use-agent`, `--batch` args by default
cleanup import/delete test key scripts
use secure travis link
Bump version
Update README.markdown