Make comment form submit via ajax.

Signed-off-by: Paula Bianca Torre <paula.torre@teamcodeflux.com>
Respond to create comment action in js format.

Signed-off-by: Paula Bianca Torre <paula.torre@teamcodeflux.com>
Append new comment to comment list.

Signed-off-by: Paula Bianca Torre <paula.torre@teamcodeflux.com>
Append newly created comment.

Signed-off-by: Paula Bianca Torre <paula.torre@teamcodeflux.com>
July 2.

Signed-off-by: Paula Bianca Torre <paula.torre@teamcodeflux.com>