update the packager script
fix bash find invokation for gnu bash
Merge branch 'master' of https://github.com/gem/oq-engine into run-risk-demos
removed some parameters from demo which cause warnings
Merge pull request #1198 from matley/run-risk-demos

Run risk demos to test the package
fix test expected value
Fixed some numbers in risk/classical/case_3 due to the changes in hazardlib
removed unuseful test
Merge pull request #1204 from matley/fix-get-asset-chunk-test

Fix get_asset_chunk unit test
Merge pull request #1205 from gem/planar_ruptures_tolerance

Fix risk/classical/case_3
Merge branch 'master' of github.com:gem/oq-engine into cleanup-gmf