Added attribution and changed author to me.
Improved error checking for mkcouchdb and rmcouchdb tasks.
Added support for new-style (directory-based) couchapps.
Merge branch 'master' of github.com:samhiatt/grunt-couchapp
Fixes bug where 'database exists' is reported when other couchdb errors are encountered.
Merge pull request #7 from samhiatt/master

Improved error checking and added support for new-style (directory-based) couchapps.