Adding numpy to standard requirements rather than pre-install. Hang-over from when it was being installed as binary from a random website for Windows, and compiled on Linux. Also was missing from offline-install!

Specifying celery==3.1.25 for Windows users. Refs #349, will address ref #723

Updating release notes, start services and windows daemonisation with sticking Windows Celery at 3.1.25. Refs #349 [skip ci] docs only

Missed a solo Refs #349 [skip ci] docs only

removing backend from celery settings Refs #349 [skip ci]

Moved statuses and jobs waiting to celery page. Need to add terminate RabbitMQ queued jobs, then can remove RabbitMQ page. Refs #637, #662, #705 [skip ci]

Added button to purge RabbitMQ queue. Refs #637, #662, #705 [skip ci]

Removed RabbitMQ url, views, templates. Refs #637, #662, #705 [skip ci]

New titles, links to docs, removed non-useful text. Refs #637, #662, #705 [skip ci]