add default case when fellows have no competing interests
remove double triangle for browsers with display list

fixes #93

[Forums] Simplify Forum posts UI and code

See merge request !62

[Submissions] Add periodic updates on submission fellowships

See merge request !60

[Fellowship Nominations] Rework the fellowship nomination system and UI

See merge request !58

fixes #124

fixes #85

automatically open correct details in nomination

add invitation status to nomination details summary