Merge pull request #3095 from alphagov/sengi/loglevel #1676

Job	Run time
Test Ruby	55s
Lint JavaScript / Run Standardx	15s
Lint Ruby / Run RuboCop	9s
Lint SCSS / Run Stylelint	17s
Test JavaScript / Run Jasmine	55s
Security Analysis / Run Brakeman	10s
	2m 41s

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