Updated groups to be public

• Updated:
- groups to be public
- routes for /group and /groups/id to be public
- GroupTimeline to ignore relationships for loading
- Group fetching to be a where with is_archived: false
- GroupControllers to have if current_user, else

• Added:
- Meta and og information for view
- Group fetch
- public route api for featured groups, group timelines

• Removed:
- Doorkeeper for read:groups

app/javascript/gabsocial/features/group_timeline.js

@@ -78,7 +78,7 @@ class GroupTimeline extends ImmutablePureComponent {
 		const { collapsed } = this.state
 		const { id } = this.props.params
 
-		if (typeof group === 'undefined' || !relationships) {
+		if (typeof group === 'undefined') {
 			return <ColumnIndicator type='loading' />
 		} else if (group === false) {
 			return <ColumnIndicator type='missing' />