Bug [#42056455]

Fixes the issue where the project name doesn't autocomplete for a client
that already exists on the staffplan.
Bug [#42056507] New projects don't render on SP

The "change:archived" callback was triggered as well so the new view was
effectively immediately terminated and @leave'd from the main view.

Added a test so that the change on the archived attribute for new
assignment doesn't trigger that behavior seems to solve the problem.
fix the issue where newly created assignments on new/existing clients would be removed from the DOM
Merge branch 'master' into bugfixes_autocomplete_new_project_staffplan

Conflicts:
	app/assets/javascripts/views/staffplans/assignment.js.coffee
Merge pull request #81 from rescuedcode/bugfixes_autocomplete_new_project_staffplan

Bugfixes autocomplete new project staffplan