Merge pull request #266 from lisaslyis/cloud-storage-integration

This commit is related to #231, #243, #256, #233
Merge pull request #269 from lisaslyis/cloud-storage-integration

This commit resolves #232, resolves #264, resolves #268.
use latest latest aikuma cloud api
Merge pull request #276 from langtech/cloud-storage-integration-haejoong

use latest latest aikuma cloud api
set user_id in fusiontables + some cleanups
newer version of cloud storage library with bug fixes
Merge pull request #304 from langtech/cloud-storage-integration-haejoong

merged
Merge pull request #306 from langtech/new-cloud-storage-library

merged
automatic-file-download from cloud is implemented
Back-up function is updated to upload all files with file-structure
automatic-file-download function is updated to download all files with file structures