Removed unused spike service and refactored behave tests for spike
fix(build): fix flake8 issue
SD-40 : Reset user password by admin user

Use a new flag(SUPERDESK_TESTING) to activate the prepopulation
endpoint.  The previous used flag TESTING is also used by flask-mail
module and if active the emails are not sent.
Merge pull request #339 from ioanpocol/master

SD-40 : Reset user password by admin user
[SD-1049] API changes to have current desk and stage id
Merge branch 'master' of https://github.com/superdesk/superdesk-server