Merge pull request #1315 from jay-hodgson/SWC-1911

SWC-1911: add nia and nimh logos and links to the footer, and update nhlbi logo
SWC-1906: update on staging
Merge pull request #1316 from jay-hodgson/SWC-1906

SWC-1906: update java client install url in release-68
updated logos based on feedback from Brian/Lara