Lint Fix
Merge pull request #1402 from psav/lint_fix

Lint Fix
INTERNAL ERRORs caused issues with artifactor

location item was not available before test was started, this is now
handled correctly.
Merge pull request #1403 from psav/artifactor_location

INTERNAL ERRORs caused issues with artifactor
Sprout - the appliance spring server
Sprout moved
Unify the imports under one place
Inserted logging callbacks
Removed the Setting model
Killing appliances per-slave; additional polishing