[fix]participants link and name
[fix]author of comment can't edit or delete
space
[fix]empty edit answer form
Revert "[fix]empty edit answer form"

This reverts commit bba7a6445391924f116c0c79e2838caa75180db3.
Revert "Revert "[fix]empty edit answer form""

This reverts commit db5ce73223eab63fc0da9121952eb8e6bc955bd5.
Merge pull request #214 from AlexAlexandru/master

[fix]participants link and name, [fix]Author of the comment can't edit his own comment or delete, [fix]empty edit answer form