Enhance Activities

There is an opportunity to turn Activities into a more powerful project/task management tool:

- add optional starting date for todos so they have a duration

- add optional links between tasks (depends-on, conflicts-with,...)

- add optional priority importance/priority field (high/medium/low)

- add calendar view of tasks

- add Gantt chart view of tasks

- improve UX, make the UI less cluttered (display of comments, edit form, etc)

- make it easier to modify a task (assignment of people, more drag&drop)

- improve printing and exports (reports)

There is no need to turn Activities into MS Project or ISW Kudos, just make them a bit more powerful (while keep the tool simple enough) so people can achieve more with Connections.