... to reflect latest changes in ews-advisory-builder.

...to reflect latest changes in underlying package ews-advisory-builder.

splitting out some csv parsing functions

This change introduces a semi-colon into one of the free-form survey
entries, which should be handled by the source calculation. For the
survey integration test to pass, it is necessary to use the
corresponding commit to ews-source-calculation.

splitting out some csv parsing functions

splitting out some csv parsing functions

making the Processor.py pass on non-zero exit codes when exiting - I THINK THIS COULD CAUSE PROEBLEMS WITH INTEGRATION TESTS, AS IT WILL EXIT THE PYTHON ENVIRONMENT RATHER THAN CARRYING ON TO THE ASSERTS IF THERE IS AN ERROR, WILL ROLE BACK IF THIS IS THE CASE

fixing env suit half fat test (fewer output files now we have switched to using the mean of daily max as standard for env suit)