errors are logged with console.error so that stderr propagates
process.exit() with proper statusCode

One thing to take into account when making command lines
is to exit with the proper code so that grunt-tasks works as expected
when failing.
Merge pull request #151 from vvo/fix-exit-code-migrate-cli

Migrate CLI should exit with code 1 if the migration fails
changed init to use this.config in case one isn't passed in
Merge pull request #156 from smazurov/bugfix/default-config-migrate

changed init to use this.config in case one isn't passed in
We have 2014 now :)
Merge pull request #159 from MajorBreakfast/patch-1

2013 => 2014 for dates in changelog
Add Vagrant environment configured to run tests
Merge pull request #161 from benesch/feature-vagrant

Add Vagrant environment configured to run tests
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docs prep for release
release 0.5.5