Merge pull request #838 from anilgooru/dev-branch

Fixed issues loading drive content.
upload google drive file as a gooru resource has been implemented
partially.
Merge branch 'dev-branch' of https://github.com/Gooru/Gooru-Web into dev-branch

Conflicts:
	src/main/java/org/ednovo/gooru/client/mvp/shelf/collection/tab/resource/add/drive/DrivePresenter.java
	src/main/java/org/ednovo/gooru/client/mvp/shelf/collection/tab/resource/add/drive/DriveView.java
Merge pull request #839 from shivalinga/dev-branch

upload google drive file as a gooru resource has been implemented partially.