CSPACE-6274: Apply footer positioning styling changes in CSPACE-6121 to the Lifesci tenant. Minor cleanup of cspace.css files in both defaults and lifesci folders to make the two identical, save for the addition of Lifesci-specific styles to the latter.
Merge pull request #227 from aronr/CSPACE-6274

CSPACE-6274: Apply footer positioning styling changes in CSPACE-6121 to ...