some fix in the koComposer:
- remove all modals before open a new one
- when binding a modal pass a context to the vm with the modal's view instace
- change the way errors are logged
change the log of the errors
add task collection and a helper funtion to extend the subscribe handler with the wait functionality
task in the client
Merge branch 'master' of github.com:Exartu/Exartu-CRM

Conflicts:
	client/collections.js
	client/routes.js