[ModalComposer] destroy the modal GUI control when application has been destroyed
[Manifest] update description
[Config] update name
[App] Do not use defaults for description & title; update button text
[Dashboard] Disable the display of replies by default
[MediaCardCollection] separate logic for updating incoming item & applying column properties
Revert "[Manifest] update description"

This reverts commit f2bf28ba925d1cada0721d0890dfb80e4a633609.
Revert "[Config] update name"

This reverts commit 11df269dc52fb202e0d07e35b359dabe7b6156c6.
[App] Update title & description; [Dashboard] add default values for the title & description; [ModalComposer] remove button of there is now text provided
Update defaults for "title", "subtitle" & "button text"
[App] add Media plugins for topPosts as well
[App] provide default config values for topPosts as well
version changed (package.json)