Add new templates and function to delete tasks
Merge remote-tracking branch 'origin/master'

Conflicts:
	README.md
	activies/__init__.py
	activies/urls.py
	core/models.py
	core/static/css/bootstrap.css
	core/static/js/jquery.js
	core/templates/contato.html
	core/templates/new_task.html
	core/views.py