initial (incomplete) cloud storage code added
require item_id in metadata
added a class for google authentication and authorization
implemented store() method for GoogleDriveStorage class
added methods for downloading and listing files
Merge branch 'master' into AikumaCloudStorage
Adding IDEA files to ignores
GoogleDriveStorage constructor uses given access token instead of trying to authenticate user and get authorized
added documentation
file listing method should return a timestamp too
Merge branch 'AikumaCloudStorage' of https://github.com/langtech/aikuma into AikumaCloudStorage
removed .project and .classpath from Aikuma directory
more fixes following up with the directory fix. Also, disabled methods of Data requiring java.nio.file.Files as it requires java 7
Merge branch 'master' into AikumaCloudStorage
added back .classpath and .project files
Merge branch 'AikumaCloudStorage' of https://github.com/langtech/aikuma into AikumaCloudStorage
Spelling fix in javadocs
add documentation to index method parameters
added refreshAccessToken, supporting code
move gapi_connect to Utils