Update requirements, vagrant basebox

[geomars]

Some changes:

• fix dataset download link and rename the uncompressed to csv in Readme.md
• update requirements
• update vagrant basebox to debian jessie and install mongodb v3.4
• fix relative file location and typos in index.html. Since index.html is not in the same directory as static, ├── static │   ├── css │   │   └── custom.css │   ├── js │   │   └── graphs.js │   └── lib │   ├── css │   │   ├── bootstrap.min.css │   │   ├── dc.css │   │   └── keen-dashboards.css │   └── js │   ├── bootstrap.min.js ├── templates │   └── index.html