Revert "Jasmine now expects --forceExit to be case-sensitive"

This reverts commit 80ab3be75c7e6df9f2d23660fb9ff14d5f31dd21.

...the node ecosystem is insane. "npm update" seems to have installed
a beta version. To update stable packages I apparently need to do
rm -rf node_modules && npm install. Which is silly.