Links status on OSGeo Getting Started Wiki Page

[rkased]

I have reviewed all links on the Getting Started page and listed which links were active and which were inactive (page moved, 404, etc...) and require updates. I've included a screenshot of the page as of 180418 at this submission of this tickets timestamp to correspond with the following statuses:

1. Active
2. Inactive
3. Inactive
4. Active
5. Active
6. Active
7. Active
8. Active
9. Inactive
10. Inactive
11. Inactive
12. Active
13. Inactive
14. Inactive
15. Inactive
16. Inactive
17. Active
18. Active
19. Active
20. Inactive
21. Inactive

[rkased]

Image to correspond to number in description of link status

[neteler]

Wiki page to be updated: ​https://wiki.osgeo.org/wiki/Getting_Started