added site description and og tags for fb/twitter
image optimization
add limit characters to description
Merge pull request #34 in PROMOIT/opensource from tags_and_descriptions to master

* commit 'ba6e7a7865331035d07b9161872760a3eef6f606':
  add limit characters to description
  image optimization
  added site description and og tags for fb/twitter
new post by Seraf
Merge pull request #35 in PROMOIT/opensource from new-post-by-seraf to master

* commit '41c49415adb1bdafc622bdf243ea0fb4a85e9180':
  new post by Seraf