COMMENTS

-users can now add comments to a database page.
-users can remove their comments from a database's page.
-added "databaseId" field to comments server model to assist in finding the right comments for a database
-removed "comments" array from database server model, as it was not used in my implementation

VIEW DATABASE PAGE
-reorganized page because the comments div made a mess

Please check out my branch and merge the request if everything checks out.