Initial commit query master export to Google Drive.
Add Apache License 2.0 header to new file.
gdrive chunked HTTP requests. HOWTO in user guide.

Google drive export now uses chunked HTTP PUT requests.
New documentation in Hydra user guide on creating a project
in the Google API Console that will be used to upload the query.
Merge pull request #71 from addthis/query-export-gdrive

Export query to Google drive.