grunt: add build target

This will simply copy the files needed for a deployment to the build
folder and create tarball and a zip file.
readme: add instructions for deploying a release tarball
readme: promote headings

This will allow us to add sub-headings as needed.
readme: start release history
package: bump version to 0.1.0
Merge pull request #153 from mgeisler/build

Add Grunt build target and bump version to 0.1.0