Set Jasmine version to 2.4.1
Set Jasmine version to 2.4.1

Previously we'd just grab the latest Jasmine, which was fine until today when the latest Jasmine (v. 2.5) appears to have a bug related to its string matchers. Further investigation is needed, but for now we're setting Jasmine to 2.4.1 so that our test can pass.
informatics-isi-edu/ermrestjs,informatics-isi-edu/ermrestjs,informatics-isi-edu/ermrestjs