Need to customize PHP Script with MVC type of Framework

Need to customize a php script that I purchased, it states it uses an MVC type of framework. Project details are on file. My Website has several comment sections. -Profile Comments -Timeline -blog -album -songs -videos -groups -events -classifieds -music With this said, I want to edit the comment section from all the above to be the following. 1. Mobile Friendly and neat. 2. Post comment link moved to the right or staying in place if moving the comment counter to the top instead. 3. Comments counter to count comments properly. (option to move it) 4. Able to comment gif's, images and video on comments and original posts. 5. When clicking on "comments" for the post comment box to open as well. 6. able to re-post comments 7. fixing the image block to accept gif 8. (this is the most important one) for the latest comments to be shown, not the first ones. 9. repost button. 10. Heart post to be moved to the top. 11. Posting timestamp 12. Be able to see your comment once it has been posted. The first (orig) second image shows how the website looks. 3rd (orig) 4th go more in depth on how it looks like when posting.