Set up the view class for handling the popup dialog.

Need to remove old tooltip popup.

Handling basic popup functionality.

Handles comment selection from commentlist.

Selecting a comment will expand it to fill the dialog.

Replying in the dialog box (WIP) - Text field with action

buttons implemented, needs styling and reply posting.

Have issuebar inserted into comment when expanded.

Need to query user data from a comment to get avatars.

UI Design Aesthetics (WIP).