Make a start on the http client blog
Finish the post
Updated to todays date.
Merge pull request #15 from reevoo/http-shooting-party-blog

Http shooting party blog
A little less.
Add documentation for the embeddable flag
Deprecate matrix params
updated 'Deprecated' message
Apply some Gustavo's styling to all the pages.

This includes the blue page header.

Signed-off-by: Alexander Malkov <alex.malkov@reevoo.com>