Removed some duplication in ClassicalRiskTestCase
Reduced duplication in ClassicalBCRRiskTestCase
Removed confusing test method
Removed an unneeded lines
Removed the logging from the tests
Merge pull request #1617 from gem/better-logging

Removed the logging from the tests
Merge pull request #1612 from gem/ClassicalRiskTestCase

Removed some duplication in ClassicalRiskTestCase
Added a QA test for classical_tiling
Merge branch 'master' of github.com:gem/oq-engine into classical_tiling