Fix URL pointing to Dan's Blog

Corrected the URL pointing to Dans blog

from:
www.vdatacloud.com/blogs/2014/05/14/finding-value-in-opensource

to:
http://www.vdatacloud.com/blogs/2014/05/22/finding-value-in-opensource/

Fixes issue #15
Update README.md
Update README.md
Merge pull request #16 from alexanderpopov1/bug/master/fix_dan_blog_url

Fix URL pointing to Dan's Blog