This fixes an issue where a project with one top-level comment and one reply would should the "Load more" button at the bottom, even though there were no more to load
* Create Comment component, start styling it
* Restructure PreviewPresentation to better match mockup
* Add padding, border to comment bubble
* add padding to bottom row of comment
* Tweak alignment of avatar and comment content
* Add margin to lower project page container
* Use border-box box sizing for comment bubble
* Make user avatar a link
* Add initial implementation of comment tail
* Align username row properly, fix comment bubble width
* Use ::before pseudoelement for comment tail
* Remove unused props to Comment component
* Add CommentContainer to handle comment replies
* Use CommentContainer instead of Comment in PreviewPresentation
* Remove debug data from CommentContainer
* Fetch top level comments from the API
* Force comment container to stretch to bottom of view div
* Remove unused api import in CommentContainer
* Long words in comments should not overflow page
* Remove @ before username in comment title
* Fix word wrapping on Firefox
* Refactor CommentContainer into a class
* Properly export CommentContainer component
* Make replies column take up proper width
* Pass project ID to CommentContainer
* Fetch comment replies in CommentContainer
* Initial implementation for loading more comments
* Add "Load More" button to Presentation
* Initial implementation of collapsing threads longer than 3 replies
* Remove console log from preview.js redux
* Tweak last comment gradient color
* Only show three total replies in collapsed state
* Match scratchr2 behavior for thread collapsing
* Use width calc instead of margin and width 100%
* Fix styling for load more button
* Make comment border gray to match the wireframe
* Allow clicking through comment fade gradient
* Add comment compose component
* style comment compose box
* Style post, cancel buttons on comment compose component
* Add margin to create comment container
* Tweak styling for characters remaining text
* Tweak placeholder text
* Add more margin to comment avatar
* Add icons and styling to delete, report text
* Refactor px -> rem where possible in comment styles
* Change comment time color to dark gray
* Tweak margin and border radius
* Add reply icon to preview comments
* Clean up unused imports, console.log in compose-comment component
* Remove console statement in preview.jsx
* Add some clarifying comments to unfinished parts of comments
* Remove direct passing of comment api response to CommentContainer
* CommentContainer should not pass api response directly
* Rename CommentContainer to TopLevelComment
* First pass at getReplies for comments in redux
* Move reply fetching into redux actions instead of in TopLevelComment
* Refactor getReplies logic to behave better
* Remove components not directly related to reading comments
* Hide load more button if all comments are loaded
This uses the project info returned by the API
* Use same gradient as add to studio modal on comment thread
