Merge pull request #2 from Terradue/master

Master
Update index.rst
Update index.rst
Update index.rst
Create index
Create purpose.rst
Create community-portal.rst
Create data-processing.rst
Create index.rst
Create menu-bar.rst
Create information-areas.rst
Create geobrowser.rst
Create results-sharing.rst
Create index.rst
Create cloud-dashboard.rst
Update index.rst
Delete overview.rst
Delete userguide.rst
Delete administrator.rst
Merge pull request #3 from Terradue/develop

develop