Update Screenshots in Wiki Article

[narinearraul]

• https://github.ibm.com/csync/csync-server/wiki/Create-a-CSync-Instance-on-Bluemix

• https://github.ibm.com/csync/csync-server/wiki/Create-a-CSync-Instance-on-Amazon-Web-Services

[narinearraul]

I've updated the article for the Bluemix.

[boopt2]

Removed the amazon article due to it being inaccurate and not working.

[boopt2]

Done