add dumb links at the bottom of the activities table of index
work on a recent_tasks pager
define 'get_tasks' methods in the 'Company' object

Mainly moving static methods out of the view code and binding them to an object
Make the task list a pyramid panel.

Create a new template file, move the list into it.
Use new 'company.get_recent_tasks()' in view.

Also, declare a panel with a slightly different signature,
discarding the 'context' argument.
A service sending the task list table as HTML + js counterpart.
Task paging looks completely functionnal. Needs tests.