Fix Facebook share button and add text if possible

[ivaylokenov]

Helping tool: https://developers.facebook.com/tools/debug/

[ivaylokenov]

Possible solution - fetch the image and add width and height in the Open Graph

[ivaylokenov]

Added default Open Graph image width of 1360. Needs further testing. If it works, the issue will be closed, otherwise each Image should save its width and height