Fixed logging null values.
Google Drive init commit.
Added google drive sdk lib to module
Added google drive sdk lib to module
Configuration beans of Google Drive and test class.
Merge remote-tracking branch 'origin/cloudsync-googledrive' into cloudsync-googledrive

Conflicts:
	cloudsync-googledrive/pom.xml
Login implemented for Google Drive Cloud
login and logout
ListAllFiles implemented.
Merge remote-tracking branch 'origin/cloudsync-googledrive' into cloudsync-googledrive

Conflicts:
	cloudsync-googledrive/src/main/java/pl/agh/iet/i/toik/cloudsync/googledrive/GoogleDriveCloud.java
ListAllFiles implemented.
Download file implemented.
added GoogleDriveCloudCallable and listing files in task
Upload file implemented.
Merge remote-tracking branch 'origin/cloudsync-googledrive' into cloudsync-googledrive

Conflicts:
	cloudsync-googledrive/src/main/java/pl/agh/iet/i/toik/cloudsync/googledrive/GoogleDriveCloudMain.java
Remove file implemented.
Added logic depenedency
Added qualifier, needed for further gui development (multiple beans)
Added and installed Cloud and CloudService mocks.
empty dropbox implementation