RR: responding to review.
Add allocations reporting and project pages.

Change-Id: I6f73a8f000fdaed8e746a94b7c29648d77a8e695
RRL brought in code review changes.

Merge commit 'c9437fc' into user_statistics

Conflicts:
	.gitignore
	langstroth/static/css/allocation-visualisation.css
	langstroth/static/css/master-detail.css
	langstroth/static/js/allocations_pie.js
	langstroth/static/js/project_allocations.js
	langstroth/static/js/project_details.js
	langstroth/templates/base.html
	langstroth/urls.py
	langstroth/views.py
	nectar_allocations/fixtures/allocation_requests.json
	nectar_allocations/models/allocation.py
	nectar_allocations/tests/test_allocation.py
	nectar_allocations/tests/test_db_allocation.py
	nectar_allocations/tests/test_view.py

Change-Id: Ib4f8a62d7e6a0a5cb90b9d220f624ea11470204e